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Q.

Total number of solutions for the equation is  x2−3sinx−π6=3(where [.] denotes the greatest integer function)

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a

1

b

2

c

3

d

4

answer is B.

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Detailed Solution

We have x2−3sinx−π6=3We can see that sinx-π6≠1 ⇒sinx-π6=-1 or 0 -1≤sinx-π6<1⇒The given equation becomes x2+3=3 or x2=3 ⇒x=0,3 are the only solutions satisfying the given equation
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