Mathematics
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John Rawls

I am in high school studying for math

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Top posts (161) All Questions Answers | Votes Newest

8 $f(550)$ if $f(11)=1$ and $f(a)f(b)=f(a+b)+f(a-b)$ Sep 8 '16
7 Is the sum of all rational numbers between two integers infinity Nov 26 '18
6 How to find the limit of $\frac{\sqrt{x^2+9}-3}{x^2}$? as x approaches 0 Jun 23 '17
6 How many 5-letter words from ABRACADABRA May 17 '17
5 how many ways of arranging given 7 two digit positive integers so that the sum of every four consecutive integer is divisible by 3? May 19 '17
4 in a geometric sequence, the second term is $\frac{-4}{5}$ sum of first three terms :$\frac{38}{25}$ . What is the first term? Jun 4 '17
4 What are the area of a triangle with side lengths $\tan(x)$, $\cos(x)$ and $\sin(x)$? Jun 11 '17
4 Prove $\lim_{x \rightarrow 3}x^2=9$ via delta epsilon Oct 14 '18
4 How does Modulo Arithmetic work Nov 24 '16
4 if $f(x)+2f(\frac{1}{x})=2x^2$ what is $f(\sqrt{2})$ Jan 18 '17
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