What is the value of r = 1 n f(x) if f(r) = ( begin{vmatrix}2r & x & – McqOptions

MCQOPTIONS

1.	What is the value of _{r = 1} ⁿ f(x) if f(r) = ( begin{vmatrix}2r & x & n(n + 1) (6r^2 1) & y & n^2 (2n + 3) (4r^3 2nr) & z & n^3(n + 1) end {vmatrix} ) where n N?
A.	1
B.	-1
C.	0
D.	2
Answer» D. 2

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