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The set of value of a for which (a-1)x^2...

The set of value of `a` for which `(a-1)x^2(a+1)x+a-1geq0` is true for all `xgeq2` is (a) `(-oo,1)` b. `(1,7/3)` c. `(7/3,oo)` d. none of these

A

`(-oo, 1)`

B

`[(7)/(3),oo)`

C

`[(3)/(7), oo)`

D

none of these

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The correct Answer is:
B
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VK JAISWAL ENGLISH-QUADRATIC EQUATIONS -EXERCISE (SUBJECTIVE TYPE PROBLEMS)
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