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IF ax^2 + 2bx +c=0 , and px^2 + 2...

IF ` ax^2 + 2bx +c=0` , and ` px^2 + 2 qx + r=0`

A

`b^2 -ac and q^2-pr` are both perfect squares

B

`b^2 -ac ` is perfect square and `q^2-pr` is not a perfact square

C

`q^2-pr ` is a pefect square and `b^2 - ac ` is not a perfect square

D

both `b^2 - ac ` and ` q^2-pr` are not perfect squares

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A
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  3. IF ax^2 + 2bx +c=0 , and px^2 + 2 qx + r=0

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  4. if P,q, r, s in R such that p r= 2 ( q+ s) then

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  7. The equation ax^2 + bx + a=0 (a ,b, in R ) and x^3 -2x^2+2x...

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  8. The value of 'a' for which the equation x^3 + ax +1=0 and x^...

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  9. IF alpha , beta are the roots of x^2 +px +q=0 and also of x^(...

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  18. The number of real solutions of the equation ∣x∣^2 −5∣x∣+6=0 is

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