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Number of intergers satisfying the inequ...

Number of intergers satisfying the inequality
`x^4- 29x^2+100 le 0 `is

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
D
We have `x^4-29x^2+100 le 0 `
`rArr (x^2-4)(x^2-25) le 0 `
`rArr x in [-5,-2]cup[2,5]`
Integers satisfying above are `pm5 ,pm 4,pm,3,pm2`
So that are eight intergers .
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