Mathematics
Harshal Gajjar's user avatar
Harshal Gajjar's user avatar
Harshal Gajjar's user avatar
Harshal Gajjar
  • Member for 9 years, 7 months
  • Last seen more than a month ago
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53
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All Questions Answers
Score Newest
question
9
Visualising 3rd degree equations
Jun 12, 2015
question
6
Evaluating $(1+\cos\frac{\pi}{8})(1+\cos\frac{3\pi}{8}) (1+\cos\frac{5\pi}{8})(1+\cos\frac{7\pi}{8})$
Feb 4, 2015
question
6
How to show $\lceil ( \sqrt3 +1)^{2n}\rceil$ where $n \in \mathbb{ N}$ is divisible by $2^{n+1}$
Jan 21, 2015
question
6
How to find $ \binom {1}{k} + \binom {2}{k} + \binom{3}{k} + ... + \binom{n}{k} $
Jan 9, 2015
answer
5
Binomial upper bound for the bi-color Ramsey numbers (Erdős-Szekeres)
Nov 30, 2019
question
5
If ABCD is a square with A (0,0), C (2,2). If M is the mid point of AB and P is a variable point of CB, find the smallest value of DP+PM.
Feb 7, 2015
question
5
A strange lier that tells truth on 7th day of the week.
Mar 28, 2014
question
5
If a,b,c are in AP and $a^2,b^2,c^2$ are in HP, then prove either $a=b=c$ or $a,b,- \frac c2 $ are in GP
Dec 17, 2014
question
5
Find the value of a + b + c + d
Jun 15, 2014
question
4
Find the results of the race using the given 5 conditions.
Mar 29, 2014
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12
How can the hydrogen bonds in solid HF be best represented?
8
When is the carbaldehyde suffix correct?
7
Can two media have same refractive indices?

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