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0 
Questions Answered

ferwanz:
Group Title
find the sum of the series ∑ (x^n+1)/(n+1)
 updated 10 months ago
 18 replies
 4 Medals
Mathematics

dinisha:
Group Title
the sum of r recursive positive integers will be divisible by 2 if r is a multiple of?
…
 updated 10 months ago
 17 replies
 2 Medals
Mathematics

vishweshshrimali5:
Group Title
Solve the following equation in natural numbers:
\(\large{x^2 + y^2 = 1997(xy)}\)
 updated 10 months ago
 58 replies
 7 Medals
Mathematics

vishweshshrimali5:
Group Title
Find the real point (x,y) satisfying
\(\large{3x^2 + 3y^2  4xy + 10x  10y + 10 = 0}\)
 updated 10 months ago
 41 replies
 10 Medals
Mathematics

vishweshshrimali5:
Group Title
If a,b,c, d and p are positive such that a+b+c+d + p= 8, a^2 + b^2 + c^2 + d^2 +p^2 = 16, then the maximum value of p is
 updated 10 months ago
 61 replies
 11 Medals
Mathematics

Utes!:
Group Title
3/t  t^2  2t/t^3 = 4/t^2
 updated 10 months ago
 24 replies
 3 Medals
Mathematics

vishweshshrimali5:
Group Title
Let N be the integer next above \((\sqrt{3} + 1)^{2014}\). The greatest integer p such that 16^p divides N is _____.
 updated 10 months ago
 37 replies
 4 Medals
Mathematics

experimentX:
Group Title
Integrate:
\[ \int_0^{\pi/2} \frac{x}{\sin x}\mathrm{d}x\]
 updated 10 months ago
 18 replies
 3 Medals
Mathematics

partneringwithmaths:
Group Title
Find p,q to the expression A=p(cos8x−sin8x)+4(cos6x−2sin6x)+qsin4x does not depend upon x
 updated 10 months ago
 9 replies
 1 Medal
Mathematics

mathslover:
Group Title
If \(\tan (\pi \cos \theta) = \cot (\pi \sin \theta) \) , \(\theta \in \left( 0, \cfrac{\pi}{2} \right)\) , then \(\cos \left( \theta  \cfr…
 updated 10 months ago
 64 replies
 9 Medals
Mathematics

partneringwithmaths:
Group Title
DIFFERENTIATE Y=4SINX DIVIDE 2X+COSX
 updated 10 months ago
 4 replies
 No Medals Yet
Mathematics

mathslover:
Group Title
If : \(l_1 = \lim_{x \rightarrow 2} \left( x + x \right) \)
\(l_2 = \lim_{x\rightarrow 2} (2x  x ) \)
…
 updated 10 months ago
 43 replies
 6 Medals
Mathematics

mathslover:
Group Title
Got an interesting problem
If \(y = \tan^{1} \left( \cfrac{\sqrt{1+x}  \sqrt{1x} }{\sqrt{1+x} + \sqrt{1x} } \right) \) , then \(y'(0)…
 updated 10 months ago
 12 replies
 5 Medals
Mathematics

partneringwithmaths:
Group Title
hmm?
 updated 10 months ago
 37 replies
 5 Medals
Mathematics

ganeshie8:
Group Title
Solve in integers :
\(\large \dfrac{1}{x} + \dfrac{1}{y} = \dfrac{1}{12}\)
 updated 10 months ago
 75 replies
 9 Medals
Mathematics

vishweshshrimali5:
Group Title
In a triangle ABC, \(h_1,~h_2,~h_3\) are the lengths of altitudes from A, B and C, which are natural numbers forming an increasing H.P. If \…
 updated 10 months ago
 38 replies
 6 Medals
Mathematics

gooberz:
Group Title
Suppose that a and b vary inversely and that b=5/4 when a=8. Write a function that models the inverse variation and find b when a =15.
 updated 10 months ago
 42 replies
 2 Medals
Mathematics

samantha1995:
Group Title
in rectangle ABCD, AC=2x+1 and BD=x+8.
find the vaule of x
 updated 10 months ago
 5 replies
 1 Medal
Mathematics

mohammadsadiq:
Group Title
integral of e^2x cos3x
 updated 10 months ago
 2 replies
 No Medals Yet
Mathematics

elopez12:
Group Title
solve the initial problem dy/dt=1/(ty+t+y+1), y(0)=4
 updated 10 months ago
 1 reply
 1 Medal
Mathematics

KryoWolf:
Group Title
A recursive function is shown below:
f(1) = 5 and f(n) = f(n  1)  6; n > 1
…
 updated 10 months ago
 2 replies
 1 Medal
Mathematics

jjuden:
Group Title
Which is a counterexample that disproves the conjecture?
A student concludes that if x is a positive real number, then
 updated 10 months ago
 4 replies
 No Medals Yet
Mathematics

IGAV1CTORY:
Group Title
which would represent, cos theta(sec thetacos theta), simplified as a single trig expression?
 updated 11 months ago
 9 replies
 No Medals Yet
Mathematics

nickersia:
Group Title
Show that kb^2=(k+1)^2*ac
 updated 11 months ago
 40 replies
 2 Medals
Mathematics

Rohitkhanna:
Group Title
Find the values of 'x' satisfying this solution.
[x] + 1/[2x] ={x} +1/3
where [ ] represents greatest integer function and { } represe…
 updated 11 months ago
 2 replies
 1 Medal
Mathematics

rnk:
Group Title
lim x>0^+ (tan6x)^x
 updated 11 months ago
 4 replies
 1 Medal
Mathematics

middi1997:
Group Title
how do i factor 4k^3 +14k^2+ 14k + 4
 updated 11 months ago
 32 replies
 2 Medals
Mathematics

mathhelpnow:
Group Title
Simplify cos2 Θ(1 + tan2 Θ).
 updated 11 months ago
 11 replies
 1 Medal
Mathematics

YOLO_KING:
Group Title
Find the exact value of the radical expression in simplest form.
…
 updated 11 months ago
 6 replies
 No Medals Yet
Mathematics

BSwan:
Group Title
find the value of the line integal , when \(\large F(r)=y,xy=yixyj\) and C is the circuler ac from A to B
 updated 11 months ago
 25 replies
 2 Medals
Mathematics

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