Question

values of k for which the quadratic equation 2xx
-
kx+k=0 has equal roots is

Answer 1

Solution is in the attachment

Answer 2

The correct answer is "k=0" and "k=8".

Step-by-step explanation:

$The \ given \ equation \ is :\\2x^2-kx+k\\where,\\a=2\\b=-k\\c=k\\If \ it \ has \ equal \ roots,then\\b^2-4ac=0\\On \ putting \ the \ values \ in \ the \ above \ formula,we \ get\\(-k)^2-4(2)(k)=0\\k^2-8k=0\\k(k-8)=0\\k=0\\Or,\\k-8=0\\k=8$

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