Question

if one root of the k(x-1) 2=5x-7is double the other root show that k = 2 or -25​

Answer 1

Answer:

ANSWERANSWER

22−5(2)+k=0

(since 2 is one root)

4−10+k=0k=6

equation will be x2−5x+6=0

(x−3)(x−2)=0

x=3,2

Hence, other root of the equation is 3.