Let x, y € R" be given. (a) If ||z||||y||=1 and z-y = 1, show that z = y. (b) If ||z|| ≤ 1 and ||y|| ≤ 1, prove that √1- ||1||² √/1 − ||y||² ≤ 1 − |x · y|. /1

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Q: 鼎 3) Find the derivative f(z) = a) f(z) = 400z(z²-1)" (z²+1) b) f(z) = 400z(z²-1) (2²+1)100 c) f(z)…

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