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blub

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Top Posts (147) All Questions Answers | Votes Newest

9 Why $\sqrt{2}$ is not either 1 or 2? Sep 6 '18
6 What is the difference between vector space and dual space? Aug 5 '18
6 Continuous $f$ such that $f(x)=f(x^2)$ is constant? [duplicate] Jan 2 '18
5 Am I missing a step in the elimination of parameter $t$? Aug 11 '18
5 Help with function question $f(2x + 1) = 2f(x) + 1$ Aug 27 '18
5 Why $\det(AB) =\det(A) \det(B)$? Aug 27 '18
5 How do I expand $|z_{1} - z_{2}|^2$? Aug 27 '18
4 Is this proof for if $0 < a < b$ then $a^2 < b^2$ correct? Aug 29 '18
4 Prove $\ \frac{z-1}{z+1} $ is imaginary no' iff $\ |z| = 1 $ Aug 29 '18
4 Solving equation with fraction Sep 5 '18
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