Assertion :The number of roots of the equation xsinx=1∀x∈[−2π,0)∪(0,2π] is 2 Reason: Number of roots of the equation y=f(x)=g(x) are the number of points where two curves meet each other.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect.
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D
Assertion is incorrect but Reason is correct.
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Solution
The correct option is D Assertion is incorrect but Reason is correct. xsinx=1 ⇒sinx=1x=y By graph both curves intersect at four points ∴ Number of solutions are 4. ∴ Assertion is false & Reason is correct.