Mathematics
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Lion Heart
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View all questions and answers
All Questions Answers
Score Newest
answer
11
Find radius of circle in the following circle.
Jul 9
answer
8
How to evaluate $\lim\limits_{x\to 0}\frac{1-\cos 7x}{3x^2}$?
Jul 11, 2021
answer
6
$a,b,c ∈ \mathbb R^+$ and $a+b=1$ then find max value of $a^4b + ab^4$
Oct 2
answer
6
If $2^{2x}+2^{2-x}=15$ then $2^x+2^{-x}=?$
Sep 29
answer
5
Prove that for all natural numbers $n \geq 2$, $n^2 \geq n + 2$
Jul 16, 2022
answer
5
Probability of exactly $7$ unreplaced draws from $\{1,...,10\}$ to get $1,2,3$?
Jul 4, 2022
answer
5
How to prove that the remainder of $15^{2098}$ divided by $14$ is $1$?
Nov 8, 2020
answer
5
Find the longest side of a triangle, given its angles and perimeter
Aug 9, 2022
answer
5
Calculate the distance from O to AC in the figure below.
Nov 1
answer
5
Remainder of $\frac{3x^{2019}+5x^{1019}-7x+4}{x^2-1}$
Jun 5, 2022

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