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IF one root of x^2-x-k=0 is square that ...

IF one root of `x^2-x-k=0` is square that of the other, then k=………

A

`2+- sqrt3`

B

`3+- sqrt(2)`

C

`2+- sqrt(5)`

D

`5 +- sqrt(2)`

Text Solution

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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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  2. IF the roots of ax^2+cx+c=0 are in the ratio p:q then sqrt([(p)/(q...

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  3. IF one root of x^2-x-k=0 is square that of the other, then k=………

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  4. If one root of x^2+px+1=0 is square that of the other thenp=

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  8. IF the sum of the roots of the quadratic equation ax ^2 + bx ...

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  9. IF the sum of the roots of the equation x^2+px +q=0 is 3 times ...

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  12. If the ratio of the roots of a(x)^2+bx +c=0 is same as that of the...

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  14. IF the difference of the roots of x^2-bx+c=0 is equal to the dif...

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  15. The condition that the roots of the equation ax^2+bx+c=0 may diffe...

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  18. IF tan A and tan B are the roots of the quadratic x^2 -px+q=0...

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  19. In a triangle PQR angle R=pi //2 if tan (p//2) and tan ( Q//2)...

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