Question

find the value of k for which the quadratic equation 2x square +kx+2=0 has equal root is?​

Answer 1

Answer:

k=4

Step-by-step explanation:

2x²+kx+2=0

discriminator if roots are equal

b²-4ac=0

k²-4*2*2=0

k²-16=0

k=4

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