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In the following, determine the set o...

In the following, determine the set of values of `k` for which the given quadratic equation has real roots: `3x^2+2x+k=0` (ii) `4x^2-3k x+1=0` (iii) `2x^2+k x-4=0`

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In the following, determine the set of values of k for which the given quadratic equation has real roots: (i) 3x^2+2x+k=0 (ii) 4x^2-3k x+1=0 (iii) 2x^2+k x-4=0

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