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Grade: 10
        Evaluate sigma(3+2^r).where r=1,2,3,4.....10.                                           Please give my answer...........................
2 years ago

Answers : (1)

manna
59 Points
							
Hi,
Sigma notation is a method used to write out a long sum in a concise way
 
The sum u1 + u2 + u3 + . . . + un is written in sigma notation\sum_{r=1}^{n}=ur
 
expand it like....(3+2^1+3+2^2......)
2 years ago
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