Question
Download Solution PDFIf 1 + 2 + 3 + .... + 10 = 55
What is the value of 13 + 23 + 33 + .... + 103?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula used:
13 + 23 +33 +....up to n term = ([n(n+1)] /2 )²
Calculation:
Let, S = 13 + 23 + 33 + .... + 103
We know that
13 + 23 +33 +....up to n term = ([n(n+1)] /2 )²
Hence, the sum of given series is S = ([10(10+1] / 2)2
⇒ S = 552
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