d Calculate ri(t) · r2(t)] and ri(t) × r2(t)] first by differentiating d dt dt the product directly and then by applying the formulas d dr2 dr1 [ri(t) · r2(t)] = r¡(t) · dt r2(t) and dt dt d [ri(t) × r2(t)] = r¡(t) × dr2 dri x r2(t). dt dt dt ri(t) = 6ti + 4t²j+t°k, r2(t) = t'k [ri(t) · r2(t)] : d [ri(t) × r2(t)] dt

Q: d d Calculate ri(t) · r2(t)] and r(t) × r2(t)] first by differentiating dt dt the product directly…

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Q: d Calculate ri(t)· r2(t)] and ri(t) × r2(t)] first by differentiating dt dt the product directly and…

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Q: d d Calculate ri(t) · r2(t)] and [r:(t) x r2(t)] first by differentiating dt dt the product directly…

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Q: d d Calculate r(t)· r2(t)] and dt [ri(t) x r2(t)] first by differentiating dt the product directly…

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