Question: Find (a) r'(t) (b) r(t) (c) r'(t) r(t). r(t) = (t + t)i + (t-t)j

Find

(a) r'(t)

(b) r"(t)

(c) r'(t) · r"(t).r(t) = (t + t)i + (t-t)j

r(t) = (t + t)i + (t-t)j

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