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The number of integral values of 'm' les...

The number of integral values of 'm' less than 50, so that the roots of the quadratic equation`mx^2+(2m-1)x+(m-2)=0` are rational are

A

6

B

7

C

8

D

5

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RESONANCE ENGLISH-DPP-QUESTION
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  3. The number of integral values of 'm' less than 50, so that the roots o...

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  9. If x^(2)+ax+10=0and x^(2)+bx-10=0 have common root, then a^(2)-b^(2) i...

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  10. The least integral value of ' a ' for which the graphs y=2a x+1 and y=...

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  11. If the quadratic equation alpha x^2 +beta x+a^2+b^2+c^2-ab-bc-ca=0 has...

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  12. Let x=sqrt(3-sqrt5) and y=sqrt(3+sqrt5) If the value of the expression...

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  14. Consider the equation log(5)[(2+sqrt5)^(x)+(sqrt5-2)^(x)]=1/2-log(1//5...

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  16. Find the sum of all the real solution (s) to the equation (x+y)^(2)=(x...

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  17. If x^2 + 2(a-1)x + a + 5 = 0 has real roots belonging to the interval ...

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  18. lf alpha and beta are the roots of the equation x^2-ax + b = 0 and ...

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