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TuringTest
 2 years ago
Best ResponseYou've already chosen the best response.1\[\sum_{i=1}^ni=\frac{n(n+1)}2\]

chandhuru
 2 years ago
Best ResponseYou've already chosen the best response.1i think u can use the formula dw:1349188013144:dw

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.13 is a constant multiple. You can bring it outside the summation.

kingkos
 2 years ago
Best ResponseYou've already chosen the best response.0i will try it now guys ok w8

myininaya
 2 years ago
Best ResponseYou've already chosen the best response.1\[\sum_{x}^{}cf(x)=c \sum_{x}^{}f(x)\]
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