Question: please do fast Find a'(t) for the helix a(t) = (cos(2t), sin(2t), 5t). Let f(x, y, z) = xy. Verify that a'(7/3) [f] = d(f(a(t))/dt

please do fast

please do fast Find a'(t) for the helix a(t)
Find a'(t) for the helix a(t) = (cos(2t), sin(2t), 5t). Let f(x, y, z) = xy. Verify that a'(7/3) [f] = d(f(a(t))/dt *dt (1t/3)

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