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Question

Number of solutions of the equation
2x+x=2sinx+sinx in [0,10π] is

A
5
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B
6
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C
11
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D
1
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Solution

The correct option is D 1
We know that,
xsinx2x2sinx
x+2xsinx+2sinx
The possible solution when they both are equal will be at x=0

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