Question

if one zeros of p(x)= x^2-15x+k is double the second zero find value of k

Answer 1

Answer:

x=2,3

Step-by-step explanation:

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.