Q.

The integers in the domain of the function f(x)=sin1x23x+2x2+2x+7 is/are

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a

2

b

-1

c

4

d

5

answer is A, B, C, D.

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Detailed Solution

f(x)=sin1x23x+2x2+2x+7

For domain x23x+2x2+2x+71andx23x+2x2+2x+71 x23x+2-x2-2x-7,x23x+2x2+2x+7 and

 2x2x+90    &5x5x1xR,    x[1,]

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