Question

if the discriminant of kx^2-10x+8=0 is 4 ,then find the value of k​

Answer 1

Step-by-step explanation:

x=4 k4^2-10×4+8 =0. 16k-40+8 =0 16k =32 k =32/16 =2

Answer 2

Step-by-step explanation:

so,√100-32k = 4

=100 - 32k =16

= 32k =84

so, k=84/32=21/8=ANSWER

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