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Question

Number of solution of the equation 3tanx+x3=2 in (0,π/4) is

A
0
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B
1
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C
2
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D
3
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Solution

The correct option is A 1
Plot the graph of y=3tanx and y=2x3.
We get only one intersection point, and that point is the only one solution
161520_128138_ans.PNG

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