d d . Calculate diri(t) · r2(t)] and di ri(t) x r2(t)] first by differentiating the product directly and then by applyin

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D D Calculate Diri T R2 T And Di Ri T X R2 T First By Differentiating The Product Directly And Then By Applyin 1 (52.49 KiB) Viewed 26 times

d d . Calculate diri(t) · r2(t)] and di ri(t) x r2(t)] first by differentiating the product directly and then by applying the formulas d dr dr [ri(t) · r2(t)] = ri(t) + r2(t) and dt dt dt dr2 dri [rı(t) x r2(t)] ri(t) * x r2(t). dt dt = d =r + dt ri(t) = 3ti +8tºj + 6tºk, rz(t) = t4k d [rı(t). r2(t)] 0) = dt es = 1 [rı(t) x r2(t)] =