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Question

Assertion (A): lf x27x+10<0, then x(2,5) .
Reason (R): lf a and ax2+bx+c have opposite signs and b24ac>0 then x lies between the roots of ax2+bx+c=0 for ax2+bx+c<0

A
Both A and R are true and R is the correct explanation of A .
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B
Both A and R are true, but R is not the correct explanation of A .
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C
A is true but R is false .
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D
A is false but R is true .
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Solution

The correct option is A Both A and R are true and R is the correct explanation of A .
(x2)(x5)<0
x(2,5)
The region lies between the curve and is below x-axis for x(2,5) .

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