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If the quadratic expression x^2 -(a-1...

If the quadratic expression ` x^2 -(a-1) x+ (a+ (1)/(4) ) ` will be a perfect square then a=

A

`0,4`

B

` 2,6`

C

` 2,4`

D

` 0,6`

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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