User ashi - Mathematics Stack Exchange

ashi

Member for 6 years, 7 months
Last seen more than 1 year ago

Dhanbad

8 Answers

Score Activity Newest

3 votes

$2^{61}$ as a multiple of 3... is that possible?

prime-factorization

answered Apr 11, 2016 at 14:47

3 votes

Find the sum of $-1^2-2^2+3^2+4^2-5^2-6^2+\cdots$

sequences-and-series algebra-precalculus summation

answered Apr 12, 2016 at 3:11

2 votes

How many integers between $1$ and $1000$ use exactly three digits?

discrete-mathematics integers

answered Apr 12, 2016 at 3:01

1 vote

Find angle in this quadrilateral

geometry angle quadrilateral

answered Apr 12, 2016 at 6:21

1 vote

Solutions to the diophantine equation $6x^2 - 6x - y^2 + y=0$?

elementary-number-theory diophantine-equations

answered Apr 12, 2016 at 2:09

0 votes

Sum of series (telescoping)

calculus sequences-and-series partial-fractions

answered Apr 11, 2016 at 7:30

0 votes

Lagrange Multiplier when one variable is equal to zero?

multivariable-calculus optimization partial-derivative lagrange-multiplier

answered Sep 30, 2017 at 7:14

-1 votes

what is the value of angle A

geometry euclidean-geometry triangles angle

answered Apr 11, 2016 at 15:33