The probability of selecting integers a ∈ [−5,30]... | Probability | JEE Main

JEE MAIN 2021

20-07-2021 S1

Question

The probability of selecting integers $a \in[-5,30]$ such that $x^2+2(a+4) x-5 a+64>0$, for all $x \in R$, is :

Select the correct option:

A

$\frac{7}{36}$

B

$\frac{2}{9}$

C

$\frac{1}{6}$

D

$\frac{1}{4}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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