Question

find the value of k,for which the following quadratic equation have real and equal root. complete solution

Answer 1

Answer:

ax^2+bx+c=0

a, b, c = known numbers, where a ≠ 0

x = the unknown

Explanation:

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Answer 2

kx2+2x+k

Explanation:

kx2+2x+K

b2-4ac=0

2^2-4(K)(K)=0

4-4k2=0

4=4k2

k2=4/4

k2=1

k=(1)2

K=1