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If ||x-1|-2|=5 then find xdot...

If `||x-1|-2|=5` then find `xdot`

A

`5,-4`

B

`-7, 4`

C

`-8,6`

D

`8,-6`

Text Solution

Verified by Experts

The correct Answer is:
D
`|x-1|-2=+-5`
`|x-1|=7,-3`
Case-I: When `|x-1|=7 rArr x-1 =+-7 rArr x=8,-6`
Case II: When `|x-1|=-3` (reject)
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ALLEN-BASIC MATHS LOGARITHIM TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION -ILLUSTRATIONS
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