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Minh Flip Bottle
Triangle ABC is right-angled at A, and AB < AC. A point H is on the segment AC (H is different from A and C). Denote E as the perpendicular projection of H onto BC. Prove that angle HBC = angle EAC.
does the convolution of f(t) with the same f(t) for t=>0 is always zero? if and only if f=0?
TEJAS M K
if f(x) = x², g(x)=x+1, find f(g(x)) and g(f(x)).