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if c1,c2,c3,c4,c5 are constants then what is the order of differential equation given by y=c1(cos(x+c2)) +c2(sin(x+c3)) + c4e^x + c5
 updated 2 months ago
 1 reply
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Mathematics

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The educational institute has a list of examiners of 150 person out of these 50 are women .125 of them know hindi and the remaining do not k…
 updated 2 months ago
 3 replies
 1 Medal
Mathematics

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The educational institute has a list of examiners of 150 person out of these 50 are women .125 of them know hindi and the remaining do not k…
 updated 2 months ago
 8 replies
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Mathematics

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Find the 17th term of the series 5 , 5 , 11 , 29 , 65
 updated 4 months ago
 1 reply
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Mathematics

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Solve the Differential equation \[\frac{ dx }{ dy } = \frac{ x+y+7 }{ 2x+xy+3 }\]
 updated 4 months ago
 16 replies
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Mathematics

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Out of 30 bulbs 6 are defective if 4 bulbs are choosen at random find the probability o f choosing 2 defective bulbls if replacement is …
 updated 4 months ago
 7 replies
 2 Medals
Mathematics

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What are the number of onto functions from a set A containing m elements to a set B containing n elements.
 updated 5 months ago
 2 replies
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Mathematics

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Prove that if [z^2 / (z1) ] is real, then the point represented by the complex number z lies either on the real axis or on a circle passin…
 updated 5 months ago
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Mathematics

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Four fair dice each with faces marked 1,2,3....6 are rolled together the probability of getting sum 16 is
 updated 5 months ago
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Mathematics

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\[\lim_{x \rightarrow 1} \frac{ x^3+ax^2+bx+c }{ (x+1)^3 }\] is equal to a finite non zero number find the value of 2A+3B+4C ?
 updated 5 months ago
 4 replies
 1 Medal
Mathematics

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F=k*x^n where F is the force and x is the displacement find the value of n for the power done by the Force is independent of x?
 updated 4 months ago
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Mathematics

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\[\lim_{x \rightarrow 0} ( 1+x+f(x)/x) ) ^{1/x} = e^3\] then find \[\lim_{x \rightarrow 0} \frac{ f(x) }{ x^2}\]
 updated 5 months ago
 10 replies
 1 Medal
Mathematics

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\[\lim_{x \rightarrow 0} ( 1+x+f(x)/x) ) ^{1/n} = e^3\] then find \[\lim_{x \rightarrow 0} \frac{ f(x) }{ x^2}\]
 updated 5 months ago
 16 replies
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Mathematics

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Water is dripping out from a conical funnel at a uniform rate of 2 cm3/s through a tiny hole at the vertex in the bottom. When the slant hei…
 updated 6 months ago
 26 replies
 3 Medals
Mathematics

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The number of ways in which 20 mangoes may be distributed among 5 children, so that each child gets at least one mango is
 updated 6 months ago
 5 replies
 2 Medals
Mathematics

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Three children, each accompanied by a guardian, seek admission in a school. The principal wants to interview all the 6 persons one after the…
 updated 6 months ago
 21 replies
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Mathematics

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Is the function Continous
 updated 6 months ago
 10 replies
 1 Medal
Mathematics

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A focus of an ellipse is at the origin. The directrix is the line x = 4 and the eccentricity is 1/2. Then thelength of the semi−major axis i…
 updated 6 months ago
 5 replies
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Mathematics

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\[\lim_{n \rightarrow \infty} (\frac{ n! }{ n^n } )^{1/n}\]
 updated 6 months ago
 9 replies
 2 Medals
Mathematics

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\[\int\limits_{}^{} \frac{ e^x (1+x^2)dx }{ (1+x)^2 }\]
 updated 6 months ago
 13 replies
 1 Medal
Mathematics

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integrate 1*dx/( sqrt[2x^3+10x])
 updated 7 months ago
 9 replies
 1 Medal
Mathematics

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A circular disc of radius R/3 is cut from a circular disc of radius R
and mass 9 M as . Then moment of inertia of remaining disc
about ‘O’…
 updated 7 months ago
 9 replies
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Mathematics

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If y = y(x) and it follows the relation x cos y + y cos x = π, then y″ (0)
 updated 7 months ago
 7 replies
 1 Medal
Mathematics

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Write a program that inputs a line of text and a substring to search for.Then it should display the position of first and last occurence of …
 updated 7 months ago
 4 replies
 1 Medal
Mathematics

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How many chiral compounds are possible on mono chlorination of 2methyl butane?
 updated 7 months ago
 16 replies
 2 Medals
Mathematics

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Find the least value of 'a' such that f(x)=x^2 + ax+1 is strictly increasing in (1,2) is ?
 updated 7 months ago
 4 replies
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Mathematics

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A man 168cm tall is walking at 6m/h away from the lamp post of height 6m find the rate of shadow incresing per hour then the man is 3m away…
 updated 7 months ago
 7 replies
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Mathematics

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Find 17th term of the sequence 5,5,11,29,65.....is?
 updated 7 months ago
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Mathematics

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A horizontal platform accelerates to the right with a = 10/sqrt(3) . A small toy gun is placed on the platform as shown.The muzzle velocity …
 updated 7 months ago
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Mathematics

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In Arrhenius equation Arrhenuis constant 'A' and Ea are 4*10^13 and 19.6*10^3 if the reaction is of first order at what temperature will th…
 updated 8 months ago
 13 replies
 2 Medals
Mathematics
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