Let r(t) = (t², 1 - t, 4t). Calculate the derivative of r(t) · a(t) at t = 5 assuming that a(5) = (5, -8, 6) a'(5) = (8, 8, 3) (Use decimal notation. Give your answer as a whole or exact number.) d (r(t) · a(t)) = |t=5
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Step 1: Find r(t) · a(t) r(t) · a(t) = (t², 1 - t, 4t) · (5, -8, 6) = 5t² - 8(1 - t) + 24t = 5t² + 32t - 8 Show more…
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