Exercise problems IV — task. Mathematics CBSE, Class 10.

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Find the values of

$k$ for each of the following quadratic equations, so that they have two equal roots.

(i)

$2x^2 + kx + 3 = 0$

$k=$

(ii)

$kx (x – 2) + 6 = 0$

$k=$

Answer variants:

$-\sqrt{2}$

$6$

$\sqrt{5}$

$\pm 2 \sqrt{6}$

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