Value of k for which the quadratic equations 2x - kx +k=0 has eo
(0) 0 only
(b) 4
c) 8 only
(d) 0,8
Answers
Answered by
1
Answer:
The answer is (d) 0,8
P.S- the question should be 2x^2 - kx + k=0
Answered by
1
Answer:
Step-by-step explanation:
Equation is 2x^2 - kx + k = 0.
On comparing with ax²+bx+c=0,
a = 2, b = -k, c = k,
Roots are equal.
=> b²-4ac=0
=> (-k)²-4 * 2 * k=0
=> k² - 8k=0
=> k(k-8)=0
=> k = 0 or k=8
Therefore,
The value of k = (0,8) --- Option (D)
#BeBrainly
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