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IF the roots of (3m +1) x^2 +2(m+...

IF the roots of `(3m +1) x^2 +2(m+1) x+m =0` are equal then m=

A

4/2,1

B

`-1//2,1`

C

`2,1//2`

D

`2,-1//2`

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
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  5. If the quadratic expression x^2 -(a-1) x+ (a+ (1)/(4) ) will be...

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  6. IF (x-a)(x-b) +(x-b) (x-c) +(x-a)(x-c) =0 has equal roots then ...

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  7. If c^(2) ne ab and the roots of (c^(2)-ab)x^(2)-2(a^(2)-bc)x+(b^(2)-ac...

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  8. The roots of the equation ( a-b) x^2 +(b-c) x+ (c-a) =0 are

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  9. The roots of the equation a ( b-c) x^2 -b(c-a) x+c(a-b)=0 are

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  10. If p(q-r) x^2 +q(r-p) x+r(p-q) =0 has equal roots then 2/q =

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  11. IF the roots of (b-c) x^2+ (c-a) x+ (a-b) =0 are equal then ...

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  12. IF the roots of a(b-c)x^2+b (c-a) x+c (a-b)=0 are equal then a, ...

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  13. If the roots of (a^2+b^2 ) x^2 -2b(a+c)x+(b^2 +c^2 ) =0 are equal...

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  14. IF the sum of the roots of ax^2+bx+c=0 is equal to the sum of the squa...

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  15. IF alpha , beta are the roots of the equation ax^2 + bx +c=0 ...

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  16. IF 3+ 4i is a root of the equation x^2 +px +q=0 then

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  17. IF 3+i is a root of the equation x^2 + ax + b=0 then a=

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  18. IF one root of the quadratic equation ax^2+bx +c=0 is 3-4i the...

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  19. IF (1-p) is a root of quadratic equation X^2 +px +(1-p)=0 the...

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  20. IF one root of the equation x^2 +px +12=0 is 4, while the equat...

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