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Evaluate the finite sums.

∑k=150 13k

Short Answer

Expert verified

The sum of the series∑k=150 13kis,1-13502.

Step by step solution

01

Step 1. Given Information

∑k=150 13k.

02

Step 2. Let us expand the given series.

∑k=150 13k=13+132+....+1350

The first term in the series a=13

The common ratio is, 13with the number of terms,n=50.

03

Step 3. The finite sum of the geometric series with ratio less than 1 is given by,

Sn=a1-rn1-r

Substitute the known values in the formula.

S50=131-13501-13=13-135123=1-13502

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