Math, asked by yana85, 1 year ago

help help help........

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siddhartharao77: 65?

Answers

Answered by Anonymous
2
a16 = S16 - S15

Sn = n ( 2n +3)

a16 = 16( 2(16) +3) - 15( 2(15) +3)

= 16 ( 32 + 3) -15 ( 30 +3)

= 16× 35 - 15( 33)

= 560 -495

= 65
Answered by Anonymous
4
hope it helps you .........
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