Which of the following is not a zero of f(x) = (x2 - 4x + 4) (x2 + 3x - 10) = 0
Answer:
x2-4x+4x=0
(x-2)^2=0
x=2,2 is zeros and
x2+3x-10=0
x2-2x+5x-10=0
x(x-2)+5(x-2)=0
(x-2)(x+5)=0
x=2,-5 are zeros
Hence,total zeros of given equation are 2,2,2,-5 and rest of following are not zero