Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.3: Algebraic Expressions
Problem 25E
Related questions
Question
![d
Calculate ri(t) r2(t)] and rı(t) x r2(t)] first by differentiating
dt
the product directly and then by applying the formulas
dt
d
dr2 dri
dt
T:(t) · r2(t)] = r1(t)-
=r¡(t) -
dt
r2(t) and
dt
dri
dr2
r:(t) x r2(t)] = ri(t) x
x r2(t).
dt
dt
ri(t) = 9ti + 9t'j + 6t°k,
r2(t) = t*k
ri(t) ra(t)]
r:(t) x r2(t)]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb7066c19-0e7f-4093-b979-73644dfc3605%2F3c231ec4-f646-4c41-bd33-1f6015403a86%2Fakr1sqf_processed.png&w=3840&q=75)
Transcribed Image Text:d
Calculate ri(t) r2(t)] and rı(t) x r2(t)] first by differentiating
dt
the product directly and then by applying the formulas
dt
d
dr2 dri
dt
T:(t) · r2(t)] = r1(t)-
=r¡(t) -
dt
r2(t) and
dt
dri
dr2
r:(t) x r2(t)] = ri(t) x
x r2(t).
dt
dt
ri(t) = 9ti + 9t'j + 6t°k,
r2(t) = t*k
ri(t) ra(t)]
r:(t) x r2(t)]
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