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summation and product notation rules

lemonthree

New member
Apr 11, 2016
22
As per the image, I am supposed to select all the valid statements. Apparently I'm only partially correct, and so I took another look at the statements.

I believe the third statement is wrong, since \(\displaystyle c * (a_m*a_{m+1}*a_{m+2}*...*a_n)\) =/= \(\displaystyle (c*a_m)(c*a_{m+1})(c*a_{m+2})*...*(c*a_n)\)

Thus there should only be two answers. Am I correct on this?
 

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topsquark

Well-known member
MHB Math Helper
Aug 30, 2012
1,132
You are correct.

-Dan