Find the sum to n terms of the series 52 + 62 + 72 + ... + 202
The given series is 52 + 62 + 72 + … + 202
nth term, an = ( n + 4)2 = n2 + 8n + 16
16th term is (16 + 4)2 = (20)2
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5 Comment(s) on this Question
From 5 to 16 there are 16 terms so 16
Why 16?????
How 16cant understand?
Good
How 16 I don't understand
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