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Question

If f(x)=2sinxsin2xx3dx, x0 then limx0 f(x) is equal to :

A
0
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B
1
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C
2
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D
12
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Solution

The correct option is B 1
f(x)=2sinxsin2xx3,x0
limx0 f(0)=limx02sinxx(1cosxx2)=1
Ans: B

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