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In each of the following, find the val...

In each of the following, find the value of `k` for which the given value is a solution of the given equation:
(i)`7x^2+k x-3=0,\ \ x=2//3`
(ii) `x^2-x(a+b)+k=0,\ \ x=a`

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
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  9. A train travels a distance of 480 km at a uniform speed. If the spe...

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  11. John and Jivanti together have 45 marbles. Both of them lost 5 marb...

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  18. Solve by factorization: (2x+3)(3x-7)=0

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  19. Solve by factorization: x^2-(sqrt(3)+1)x+sqrt(3)=0

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  20. Solve by factorization: 9x^2-3x-2=0

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