If f(x)=|\table \x-3, \2x^2-18,\3x^3-81; \x-5, \,\2x^2-50,4x^3-500; \1,2,3|, then f(1)f(3)+f(3)f(5)+f(5)f(1 ) is equal to

AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

Section: Mathematics

Question : 42 of 160

Marks: +1, -0

f(x)=|

then f(1)f(3)+f(3)f(5)+f(5)f(1) is equal to

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