Question

for what value of k will the equation have equal roots
x2+2√2k+18=0 ??

please answer urgent
no fake answers please thankyou​

Answer 1

Answer:

3

Step-by-step explanation:

x^2+2√2k+18=0

b^2-4ac=0

(2√2k)^2-4(1)(18)=0

8k^2-72=0

8k^2=72

k^2=72/8

k^2=9

k=3