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Find the values of a and b in order that...

Find the values of a and b in order that
`underset(xto0)lim(x(1+acosx)-bsinx)/(x^(3))=1.`

A

`(-(5)/(2), -(3)/(2))`

B

`((5)/(2), (3)/(2))`

C

`(-(5)/(2),( 3)/(2))`

D

`((5 )/(2),(3)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
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