Question

Values of k for which the quadratic equation 2x^2 – kx + k = 0 has equal roots is *​

Answer 1

ANSWER

⇒  The given quadratic equation is 2x2−kx+k=0

⇒  If the equation has equal roots, then the discriminant b2−4ac=0.

⇒  Here, a=2,b=−k,c=k

Then, b2−4ac=0

(−k)2−4(2)(k)=0

k2−8k=0

k(k−8)=0

∴  k=0 and k=8

∴  Values of k are 0,8

Roots are 0 and 8

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Answer 2

Answer:

8,0 is ur answer...

Hope it helps u...