Find the value of k in quadratic equation 2x^2-kx+k=0 has equal roots
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Answer:- k=8
Step-by-step explanation:-
Given equation is 2x2 – kx + k- 0
On comparing with ax2 + bx + c = 0, we get
a = 2, b= – k and c = k
For equal roots, the discriminant must be zero.
So by quadratic formula we can calculate this....
Hence, the required values of k are 0 and 8.
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