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Let f(t)=|(cost,t,1),(2sint,t,2r),(sint,...

Let `f(t)=|(cost,t,1),(2sint,t,2r),(sint,t,t)|` , then `{:(lim),(t rarr0):}(f(t))/t^2` is equal to :

A

0

B

`-1`

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
A
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