Math, asked by nikhil1511, 1 year ago

solve diz plz.........

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Answered by sonu6824

2

S1=3×1×1+5×1

=8=a1

S2=3×2×2+5x2

=22

a2=S2-S1

=14

common Difference=a2-a1

=6
Write answers is 'C'

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