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If ain[-20, 0], find the probability tha...

If `ain[-20, 0]`, find the probability that the graph of the function `y=16x^2+8(a+5)x-7a-5` is strickly above the X-axis.

A

`1//2`

B

`1//17`

C

`17//20`

D

none of these

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-PROBABILITY -Chapter Test
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  5. If x in [0,5], then what is the probability that x^2 - 3x + 2 > 0

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  6. If ain[-20, 0], find the probability that the graph of the function y=...

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  7. The probability that A can solve a problem is 2//3 and B can solve it ...

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  8. A bag contains (2n+1) coins. It is known that n of these coins have a ...

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  10. A and B are two independent events such that P(A)=(1)/(5), P(A cup B)=...

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  11. A and B are two independent events such that their probabilities are (...

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  16. A and B appear for an interview for two posts. The probability of A's ...

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