Math, asked by surya19avs, 4 months ago

find the sum of first 16 terms of ap 2,7,12..

Answers

Answered by Ishankhatri050

0

Answer:

s16=632

Step-by-step explanation:

formula of sum=n/2{2a+(n-1)d}

n=16,a=2,d=5

=16/2{2×2+(16-1)5}

=8{4+15×5}

=8(4+75)

=8(79)

=632

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