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Question

Total number of solutions of the equation 2x=3π(1cosx), is

A
3
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B
5
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C
4
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D
2
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Solution

The correct option is B 5
2x=3π(1cosx)
is satisfied at x=0,0.4310,1.5π,8.9937,3π

So, number of solutions is 5

Therefore, Answer is 5

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