Your answer is incorrect d d Calculate no-r3(0)] and r(t) x r20 first by differentiating ) r2e brico dt the product dire

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Your Answer Is Incorrect D D Calculate No R3 0 And R T X R20 First By Differentiating R2e Brico Dt The Product Dire 1 (366.05 KiB) Viewed 24 times

49t^6k
54t^5i + 10t^4 j
49t^6 + 54t^5 + 12t^4
are wrong
Your answer is incorrect d d Calculate no-r3(0)] and r(t) x r20 first by differentiating ) r2e brico dt the product directly and then by applying the formulas d dr2 dri bruce ) - ra(t)) = (0) + r2() and dt dt dr2 dri e frut) x ry(t) = r1() = x r2(0). + de de ri(t) = 2ti + 91?j + 72k, rz(t) = tºk ir (0) -ra(t) = 49 tºk mo dt [rı dt a lu(t) x ra(t) = 54 18 e + 10 * "j eTextbook and Media The following rules, which are derived in the exercises, provide a method for differentiating dot products in 2-spas and cross products in 3-space. dra dr ri(0) + roo CriCr2013 ricoxrm1 = 10x dri x dr