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If ` sin alpha and cos alpha ` are the roots of `25 x ^2 +5x-12=0`, then value of ` sin `2alpha ` is

A

`12//25`

B

`-12//25`

C

`-24//25`

D

`4//5`

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  12. IF (1)/(x) +(1)/(x+a) =(1)/(m)+(1)/(m+a) has roots equal in magnit...

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  16. IF (a alpha + b )^(-2)+ ( abeta + b)^(-2) =1 , where alpha , b...

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