Math, asked by CHAUDHARYATULTOMAR, 1 year ago

find the sum of n terms of the series 1^2 + 3^2 +5^2 ...

Answers

Answered by Anonymous

2

Step-by-step explanation:

1^2+3^2+5^2

=2+18+50

=sn=n/2(a+l)

=sn=3/2(2+50)

sn=1.5(52)

sn=78

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