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If a` in Z ` and the equation `(x-a)(x-10) +1=0` has integral roots then the values of `a` are

A

`10,8`

B

`12,10`

C

`12,8`

D

none

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  7. If the roots of ax ^2 + bx +c=0 are both positve , then

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