User jeanne clement

5 votes

2 answers

132 views

how to find probalility that a student misses at least one test if he/she is absent twice?

probability

asked Dec 10, 2017 at 15:39

4 votes

1 answer

198 views

Find order, degree & linearity of ordinary D.E.

calculus ordinary-differential-equations

asked Sep 6, 2018 at 20:16

3 votes

1 answer

664 views

How to prove this integral problem: $\int_0^{\infty}\frac{dx}{1+x^n}=\frac{\pi}{n}\csc\frac \pi n$? [duplicate]

calculus integration definite-integrals

asked Jan 11, 2017 at 8:32

2 votes

4 answers

467 views

How to find major & minor axes of the ellipse $10x^2+14xy+10y^2-7=0$?

geometry conic-sections

asked Jan 22, 2018 at 7:49

2 votes

1 answer

219 views

How many right triangles can be constructed?

combinatorics combinatorial-geometry

asked Feb 7, 2018 at 11:54

1 vote

1 answer

715 views

What is the value of $\nabla\times (\vec a\times \vec r)$?

vectors divergence-operator

asked Aug 26, 2018 at 0:34

1 vote

1 answer

224 views

How many distinct four-letter words beginning with A can be formed from letters with two similar letters and two different letters?

combinatorics permutations

asked Sep 15, 2018 at 11:37

1 vote

5 answers

3k views

Find limit $\lim_{z\to 0}\frac{\bar z}{z}$

complex-analysis

asked Sep 5, 2018 at 15:06

1 vote

1 answer

340 views

What will be the difference?

number-theory prime-numbers integers

asked Jan 19, 2018 at 23:09

1 vote

3 answers

2k views

How many additional robots would be required?

arithmetic word-problem

asked Feb 14, 2018 at 13:18

1 vote

1 answer

54 views

what is $2\alpha_1+3\alpha_2$?

integration

asked Feb 19, 2018 at 17:09

1 vote

1 answer

216 views

What are the minimum and maximum values of $a+b+c$, given $\log|a|+\log|b|+\log|c|=0$?

elementary-number-theory proof-verification

asked Feb 19, 2018 at 17:31

1 vote

1 answer

2k views

What is loss if Rs to the fruit seller?

algebra-precalculus

asked May 25, 2018 at 12:34

1 vote

3 answers

204 views

Find the solution of PDE $\frac{\partial u}{\partial x}=4\frac{\partial u}{\partial y}$

ordinary-differential-equations partial-derivative

asked Jun 26, 2018 at 23:16

1 vote

0 answers

63 views

What will be the curl of this vector??

multivariable-calculus vectors vector-analysis

asked Oct 23, 2017 at 22:09

1 vote

1 answer

5k views

What is his expectation?

probability

asked Dec 18, 2017 at 11:37

1 vote

1 answer

3k views

How to find the power of a jet engine?

classical-mechanics kinematics

asked Dec 21, 2017 at 11:55

1 vote

6 answers

143 views

find the limit of this function?

calculus limits

asked Dec 27, 2017 at 16:16

0 votes

3 answers

53 views

Maximize the function

proof-verification optimization

asked Jan 14, 2018 at 13:31

0 votes

1 answer

609 views

how many cuboids cut from a cube?

number-theory systems-of-equations

asked Oct 29, 2017 at 16:03

0 votes

2 answers

1k views

compute this integral from zero to infinity

calculus integration definite-integrals

asked Oct 19, 2016 at 12:31

0 votes

0 answers

47 views

find expression of stream line function $\psi (x, y)$

calculus partial-derivative

asked Dec 6, 2016 at 10:04

0 votes

0 answers

70 views

What is trace of matrix $I+A+A^2$?

matrices eigenvalues-eigenvectors

asked Aug 24, 2018 at 19:13

0 votes

3 answers

123 views

What is the value of $2x+3y$?

linear-algebra computational-mathematics

asked Jan 20, 2018 at 13:32

0 votes

0 answers

1k views

what is the best approximation of minimum value of $e^{-x}\sin(100x)$

functions maxima-minima

asked Jan 23, 2018 at 17:57

0 votes

0 answers

33 views

What is wrong with this vector integral?

stokes-theorem greens-theorem

asked Jan 24, 2018 at 19:58

0 votes

1 answer

339 views

The probability of sum $x+y$ to be greater than $20$

probability-distributions uniform-distribution

asked Feb 7, 2019 at 22:19

0 votes

3 answers

62 views

How to find the surface area of rotary solid.

calculus surface-integrals

asked Sep 3, 2018 at 21:06

0 votes

1 answer

1k views

What is probability of drawing last black ball from the box?

probability

asked Feb 7, 2018 at 15:08

0 votes

7 answers

11k views

How many minutes would it take to make 100 toys?

arithmetic

asked Feb 8, 2018 at 18:28

Stack Exchange Network

current community

your communities

more stack exchange communities

30 Questions

how to find probalility that a student misses at least one test if he/she is absent twice?

Find order, degree & linearity of ordinary D.E.

How to prove this integral problem: $\int_0^{\infty}\frac{dx}{1+x^n}=\frac{\pi}{n}\csc\frac \pi n$? [duplicate]

How to find major & minor axes of the ellipse $10x^2+14xy+10y^2-7=0$?

How many right triangles can be constructed?

What is the value of $\nabla\times (\vec a\times \vec r)$?

How many distinct four-letter words beginning with A can be formed from letters with two similar letters and two different letters?

Find limit $\lim_{z\to 0}\frac{\bar z}{z}$

What will be the difference?

How many additional robots would be required?

what is $2\alpha_1+3\alpha_2$?

What are the minimum and maximum values of $a+b+c$, given $\log|a|+\log|b|+\log|c|=0$?

What is loss if Rs to the fruit seller?

Find the solution of PDE $\frac{\partial u}{\partial x}=4\frac{\partial u}{\partial y}$

What will be the curl of this vector??

What is his expectation?

How to find the power of a jet engine?

find the limit of this function?

Maximize the function

how many cuboids cut from a cube?

compute this integral from zero to infinity

find expression of stream line function $\psi (x, y)$

What is trace of matrix $I+A+A^2$?

What is the value of $2x+3y$?

what is the best approximation of minimum value of $e^{-x}\sin(100x)$

What is wrong with this vector integral?

The probability of sum $x+y$ to be greater than $20$

How to find the surface area of rotary solid.

What is probability of drawing last black ball from the box?

How many minutes would it take to make 100 toys?