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Fawad
  • Member for 7 years, 7 months
  • Last seen more than a month ago
  • India
41 votes
8 answers
18k views

How does Cramer's rule work?

9 votes
8 answers
6k views

Constructing two matrices that do not commute

8 votes
4 answers
49k views

Equation for Distance of the Straight line from the Origin.

5 votes
8 answers
1k views

How can I prove this trigonometric equation with squares of sines?

3 votes
2 answers
267 views

What is integer part of $\sum_{j=2}^{100}\frac{1}{\sqrt{j}}$? [closed]

3 votes
2 answers
740 views

Power tower question

3 votes
1 answer
471 views

Show through chain rule that $(u\cdot v)' = uv' + v'u$

3 votes
4 answers
554 views

Compute $\lim\limits_{x \to 0} \frac{ \sqrt[3]{1+\sin x} - \sqrt[3]{1- \sin x }}{x}$

2 votes
1 answer
10k views

Find point of contact when tangent and circle equations are given.

2 votes
4 answers
5k views

Find the remainder when $2^{2013}$ is divided by $17$.

2 votes
2 answers
345 views

Expansion of $(1+x)^{-n}$ when x is not less than 1.

1 vote
1 answer
103 views

Help finding integer solutions of equation.

1 vote
3 answers
170 views

What is $\int|x^n|dx$?

1 vote
1 answer
72 views

Why modulus is not considered in this vector algebra problem.

1 vote
3 answers
86 views

Sum of series in GP

1 vote
4 answers
184 views

Unable to find next number of perfect numbers.

1 vote
1 answer
834 views

Condition for points to be coplanar.

1 vote
3 answers
228 views

Section formula

1 vote
3 answers
131 views

Finding range of this expression

0 votes
1 answer
1k views

Formula to find angular bisector when DC's are given [closed]

0 votes
2 answers
61 views

Different view of inverse trigonometry.

0 votes
2 answers
431 views

Connection between number of roots for a given polynomial and its degree

0 votes
3 answers
120 views

Solve for x if given

0 votes
3 answers
3k views

How to get ratio of a,b,c from 2 equations in a,b,c

0 votes
1 answer
375 views

Radical axis is closer to circle with bigger radius or smaller radius?

0 votes
1 answer
549 views

Period of a constant function.

0 votes
2 answers
54 views

Make quadratic equation in terms of $\cos^2x$ if given $\sin x=\dfrac{\sqrt5 -1}{2}$

0 votes
0 answers
68 views

Polynomials and power series. How to prove $\frac{1-x^{11}}{1-x}=1+x+x^2+x^3+\cdots+x^{10}$

0 votes
2 answers
1k views

How to evaluate $\int\frac{x^2}{\sqrt{1-x^2}}dx$ without assuming $x=\sin \theta$?

-1 votes
4 answers
46 views

What Is it's value? [closed]