How do you find all zeros of the function #f(x)=2(x+9)^2 (x-9)^3#?

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How do you find all zeros of the function #f(x)=2(x+9)^2 (x-9)^3#?

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Answer 1 · 2016-11-18T10:41:52

#" " x=-9" " Or " " x=9#

Explanation:

#f(x) = 0#
#" "#
#2(x+9)^2(x-9)^3=0#
#" "#
#(x+9)^2=0" "rArr x+9=0" "rArr x=-9#
#" "#
Or
#" "#
#(x-9)^3=0" "rArrx-9=0" "rArrx=9#
#" "#
#" "#
Hence,#" " x=-9" " Or " " x=9#

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How do you find all zeros of the function #f(x)=2(x+9)^2 (x-9)^3#?

1 Answer

Explanation:

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