CBSE Class 12-science Answered
Increasing and decreasing functions
Asked by spuneet23 | 25 Aug, 2009, 04:58: PM
Expert Answer
f( x ) =x100+ sinx -1
f'(x) = 100.x99+cos x
For function to be strictly decreasing f'(x)<0
100.x99+cos x is < 0 if x 
(-1,0) or (-
/2,0)
So None of these is the answer.
Answered by | 28 Aug, 2009, 11:08: AM
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