Question

If 1 /2 is a root of the equation x2 +kx - 5 4 = 0 Find the value of k

Answer 1

Answer:

here root of the equation =1/2

x=1/2

putting the value of x=1/2 on p(x)

1/2*2 +k*1/2 -54 =0

1 + k*1/2 =54

k*1/2y=54-1

k=53*2

k=106