ujjwal
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 Ujjwal Mishra
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Questions Answered

ujjwal:
Group Title
\[r=\sqrt{x^2+y^2+z^2}\]
\[u=\frac{1}{r}f(rct)\]
where c is constant
…
 updated one month ago
 13 replies
 3 Medals
Mathematics

ujjwal:
Group Title
The tension in rope AB is T. The tension in rope CP is S. The accelerations of A, B and C are respectively a,b, and c.
Find T and c.
Figur…
 updated 10 months ago
 54 replies
 1 Medal
Mathematics

ujjwal:
Group Title
find the remainder of each of the following polynomials divided by \(x^2+1\)
1)\((1+x)^4\)
2)\((1x)^{32}\)
 updated 11 months ago
 38 replies
 1 Medal
Mathematics

ujjwal:
Group Title
solve the inequality
\(x^2(5a^2a+15)x+6a^4+30a^2+54<0\)
where a is constant
 updated 11 months ago
 27 replies
 2 Medals
Mathematics

mollsy:
Group Title
A cylinder is inscribed in a cube. If the edge of the cube is 3" long, find the volume of the cylinder.
 updated 11 months ago
 4 replies
 No Medals Yet
Mathematics

ujjwal:
Group Title
let c be a natural number such that \(2\leq c\leq 8\). If simultaneous equations
\(2x1+cy=0\)
\(x^2+2xyy=0\)
…
 updated 11 months ago
 4 replies
 1 Medal
Mathematics

ujjwal:
Group Title
Factorize
\(x^46x^2+1\)
 updated 11 months ago
 22 replies
 4 Medals
Mathematics

ujjwal:
Group Title
p and q are odd numbers, prove that the quadratic equation
\(x^2+px+q=0\) has
1) no integer solution
…
 updated 11 months ago
 32 replies
 4 Medals
Mathematics

ujjwal:
Group Title
let f(x) be a quadratic polynomial. if, f(0),f(1),f(1)\(\in\mathbb{z}\), then show that f(n)\(\in\mathbb{z}\) for all \(n\in\mathbb{z}\)
 updated 11 months ago
 39 replies
 3 Medals
Mathematics

klovic:
Group Title
Please help!
theta= pi/3
part 1: use the equations x=rcos(theta) and y=rsin(theta) to express x and y in terms of r. Two equations after t…
 updated 11 months ago
 14 replies
 1 Medal
Mathematics

ujjwal:
Group Title
Find all \(a\in\mathbb{R}\) such that
\((a+2)x^2(a+1)x+a=0\)
has at least one integer solution
 updated 11 months ago
 11 replies
 3 Medals
Mathematics

DLS:
Group Title
Find the number of points of discontinuities...HELP please..
 updated 11 months ago
 46 replies
 1 Medal
Mathematics

iceicebaby:
Group Title
Which ordered pair will not obey the function rule shown in the graph?
 updated 11 months ago
 8 replies
 1 Medal
Mathematics

angel32412:
Group Title
Find the perimeter of trapezoid KLMN
 updated 11 months ago
 25 replies
 No Medals Yet
Mathematics

Tahamohammed:
Group Title
The figure below shows the top view of a circular room with a circular stage. The diameter of the stage is 24 feet. The shaded portion repre…
 updated 11 months ago
 84 replies
 2 Medals
Mathematics

ujjwal:
Group Title
Find a necessary and sufficient condition on \(a\in \mathbb{R}\) for a quadratic equation
\(x^2+2(a+3)xa+3=0\)
to have roots such that…
 updated 11 months ago
 9 replies
 3 Medals
Mathematics

ujjwal:
Group Title
Factorize \(2a^35a^210a+2\)
 updated 11 months ago
 21 replies
 No Medals Yet
Mathematics

ujjwal:
Group Title
Find all combinations of a,b,c and d which makes the following equality an identity
\((xa)^2(xb)^2=x^42x^33x^2+cx+d\) where a<b
 updated 11 months ago
 10 replies
 1 Medal
Mathematics

ujjwal:
Group Title
Let \(f(x)\) be a polynomial in x with integral coefficients. Show, if \(a\equiv b (\mod m)\), then \(f(a)\equiv f(b)(\mod m)\)
 updated 11 months ago
 14 replies
 2 Medals
Mathematics

ujjwal:
Group Title
Show that \(2450^n1370^n1150^n250^n\) is divisible by 1980 for all \(n\epsilon N\)
 updated 11 months ago
 22 replies
 2 Medals
Mathematics

Gabysolis49:
Group Title
cos3x over cosx=14sin^2 x verify the identities
 updated 11 months ago
 6 replies
 2 Medals
Mathematics

ujjwal:
Group Title
prove \(\tan ^{1}x>\frac{x}{1+\frac{1}{3}x^2}\) where x>0
 updated 11 months ago
 17 replies
 3 Medals
Mathematics

ujjwal:
Group Title
Find equivalent polynomial equation of \(\sqrt{a^24ab+4b^2}\)
 updated 11 months ago
 4 replies
 1 Medal
Mathematics

doulikepiecauseidont:
Group Title
PRECALCULUS VECTOR HELP ASAP!!!!!?
Q: An airplane is flying on a compass heading(bearing) of 340 degrees art 325 mph. A wind is blowing wit…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

ujjwal:
Group Title
The coefficient of friction between blocks A and B and the horizontal surfaces are \(\mu_s\)=0.24 and \(\mu_k\)=0.20 . Knowing that \(m_A\)…
 updated one year ago
 46 replies
 1 Medal
Mathematics

mathavraj:
Group Title
why do we see sparks in high voltage and low charged leiden jar whereas we dont see them in a low voltage and high charge (say electricity f…
 updated one year ago
 10 replies
 1 Medal
Mathematics

ujjwal:
Group Title
How would you relate Diffraction and Heisenberg's Uncertainty Principle? Is Diffraction just a special case of Heisenberg's Uncertainty Prin…
 updated one year ago
 27 replies
 No Medals Yet
Mathematics

DLS:
Group Title
How to prove this kinematics formula?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Andy454:
Group Title
How many valence electrons does chlorine (Cl) have?
View the periodic table.
A. 4
…
 updated one year ago
 8 replies
 1 Medal
Mathematics

Cortney95:
Group Title
A building that is 115 feet tall casts a shadow that is 190 feet long. Determine the angle at which the rays of the sun hit the ground to th…
 updated one year ago
 32 replies
 1 Medal
Mathematics
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