Question

for what value of k the quadratic eqution x^2-kx+4=0 have equal roots​

Answer 1

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Answer 2

Answer:

k = +4

Step-by-step explanation:

a=1, b=-k, c=4

FOR EQUAL ROOTS

b²-4ac = 0

(-k)² - 4*1*4 = 0

k² - 16 = 0

k² = 16

k = +4