Math, asked by sharanprasath, 8 months ago

sum the series tn =2n^2+5n to n terms

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Answered by sanjaykushwaha1080

0

Answer:

Sum of first n terms of AP, Sn = 2n2 + 5n Now choose n =1 and put in the above formula,First term = 2+5 = 7 Now put ...

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