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MSn3. Expand -26 + 9 + 12 + 15 + 183 + 6 + 9 + 12 +152 + 3 + 4 + 5 + 63 + 6 + 9 + 12 +15 + 18

MSn3. Expand -26 + 9 + 12 + 15 + 183 + 6 + 9 + 12 +152 + 3 + 4 + 5 + 63 + 6 + 9 + 12 +15 + 18-example-1
User Haim Evgi
by
7.4k points

1 Answer

3 votes

expanding the sum,


\Sigma^6_(n=2)(3n)=3(2)+3(3)+3(4)+3(5)+3(6)=6+9+12+15+18

User Nikhil S
by
6.7k points
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