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Number of real solutions of the equation...

Number of real solutions of the equation `(tanx+1)(tanx+3)(tan+5)(tanx+7)=33`

A

will be two in the interval `[-pi//2, pi//2]`

B

will be four in the interval `[-pi//2, pi//2]`

C

will be three in the interval `[-pi//2, pi]`

D

will be four in the interval `[-pi/2, pi]`

Text Solution

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The correct Answer is:
A, D
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