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If the roots of the equation (a^2+b^2)x^...

If the roots of the equation `(a^2+b^2)x^2-2(a c+b d)x+(c^2+d^2)=0` are equal, prove that `a/b=c/ddot`

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MTG IIT JEE FOUNDATION-QUADRATIC EQUATIONS-SOLVED EXAMPLE
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  2. A train travels a distance of 720 km at a uniform speed. If the speed ...

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  3. If the roots of the equation (a^2+b^2)x^2-2(a c+b d)x+(c^2+d^2)=0 are ...

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  4. Solve the following quadratic equations by fractorisation. x^(2) + ...

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  5. Solve the following quadratic equations by fractorisation. x^(2) + ...

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  7. Solve each of the following quadratic equations: 4x^(2)-4a^(2)x+(a^(...

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  8. Solve: 5^((x+1))+5^((2-x))=5^(3)+1.

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  9. Solve for x : (1)/((x-1)(x-2))+(1)/((x-2)(x-3))+(1)/((x-3)(x-4))=(1)/(...

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  10. Solve for x : x^(2) + 8x + 4 = 0

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  11. Solve the quadratic equation 9x^2-15 x+6=0 by the method of complet...

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  12. Find the roots of the quadratic equation 3x^(2) + 6x + 1 = 0

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  13. Some students planned a picnic. The budget for food was Rs 500. But...

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  14. ab x^2+(b^2-a c)x-b c=0

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  15. Solve for x: 9x^2-9(a+b)x+(2a^2+5ab+2b^2)=0

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  16. The side of a square exceeds the side of the another square by 4 cm...

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  17. Solve for : x :(x-1)/(x-2)+(x-3)/(x-4)=3 1/3,x!=2,4

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  18. (1)/((x-3))-(1)/((x+5))=(1)/(6),(x!=3,-5)

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  19. If-4 is a root of the quadratic equation x^2+p x-4=0 and the quadratic...

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  20. If the sum of first n even natural numbers is 420, find the value of n...

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