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If l = underset( x rarr 0) ("Lim")( x ...

If `l = underset( x rarr 0) ("Lim")( x ( 1+ a cos x ) - bsin x ) /( x^(3))= underset( x rarr 0 ) ("Lim") ( 1+a cos x ) /( x^(2))- underset( x rarr 0 ) ("lim")( b sin x )/( x^(3))` , where ` l in R `, then

A

` ( a, b ) = ( -1,0)`

B

a & b are nay real numbers

C

l = 0

D

`l = ( 1)/( 2)`

Text Solution

Verified by Experts

The correct Answer is:
A,D
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