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Find the values of k for which the g...

Find the values of `k` for which the given quadratic equation has real and distinct roots:
(i)`k x^2+2x+1=0`
(ii) `k x^2+6x+1=0`
(iii) `x^2-k x+9=0`

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
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