hohner
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### Questions (62)

 7 Rule for squaring arbitrary powers? 6 Proving a trig identity 5 Solving $2\arcsin\frac{x}{2}+\arcsin(x\sqrt{2})=\frac{\pi}{2}$ 4 Prove by induction that $\frac{1}{2}+\frac{2}{2^2}+\frac{3}{2^3}+\cdots+\frac{n}{2^n}=2-\frac{n+2}{2^n}$ 4 If $x=t^2\sin3t$ and $y=t^2\cos3t$, find $\frac{dy}{dx}$ in terms of $t$

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 0 Finding the locus of a $z=x+iy$ and its radius if $|z-1|=2|z+2-3i|$ 0 The absolute difference between sum to infinity and sum to n terms

### Tags (34)

 0 geometry × 11 0 integration × 4 0 trigonometry × 10 0 quadratics × 4 0 calculus × 9 0 parametric × 4 0 sequences-and-series × 6 0 vectors × 4 0 complex-numbers × 5 0 binomial-theorem × 4

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