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In each of the following, determine t...

In each of the following, determine the value of `k` for which the given value is a solution of the equation: `k x^2+2x-3=0,\ \ x=2` (ii) `3x^2+2k x-3=0,\ \ x=-1/2` (iii) `x^2+2a x-k=0,\ \ x=-a`

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RD SHARMA-QUADRATIC EQUATIONS-All Questions
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  6. Which of the following are quadratic equations? x-3/x=x^2 (ii) 2x^2...

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  7. Which of the following are quadratic equations? 3x^2-5x+9=x^2-7x+3 ...

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  9. Which of the following are quadratic equations? 16 x^2-3=(2x+5)(5x-...

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  11. In each of the following, determine whether the given values are so...

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  14. Determine, if 3 is a root of the equation given below: sqrt(x^2-4x+...

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  18. A train travels a distance of 480 km at a uniform speed. If the spe...

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