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(Solved): Write a in the form a=a_(T)T+a_(N)N at the given value of t without finding T and N.
r(t)=(-3t+3)i+( ...
Write a in the form a=a_(T)T+a_(N)N at the given value of t without finding T and N.
r(t)=(-3t+3)i+(-2t)j+(-t^(2))k,t=-3
(Type exact answers, using radicals as needed.)