d Calculate ri(t) · r2(t)] and rı(t) × r2(t)] first by differentiating d dt the product directly and then by applying the formulas dt dri d ri(t) · r2(t)] = r1(t)· dr2 r2(t) and dt dt dt dr2 dri d ri(t) x r2(t)] = r1(t) × x r2(t). dt dt dt r1(t) = 2ti + 2t°j + 7t°k, r2(t) = t*k d ri(t) - r2(t)] : dt d [ri(t) × r2(t)]

d Calculate ri(t) · r2(t)] and rı(t) × r2(t)] first by differentiating d dt the product directly and then by applying the formulas dt dri d ri(t) · r2(t)] = r1(t)· dr2 r2(t) and dt dt dt dr2 dri d ri(t) x r2(t)] = r1(t) × x r2(t). dt dt dt r1(t) = 2ti + 2t°j + 7t°k, r2(t) = t*k d ri(t) - r2(t)] : dt d [ri(t) × r2(t)]

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.1: Equations

Problem 58E

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