Math, asked by rajkumar198685, 9 months ago

sum:add 15 odd number

Answers

Answered by sneha6j004

0

Step-by-step explanation:

It is an AP : 1,3,5,7......

It is an AP : 1,3,5,7......a = 1 and d = 2 and n= 15

It is an AP : 1,3,5,7......a = 1 and d = 2 and n= 15Now, Sn = n/2 ( 2a + (n-1) d)

Sn = 15/2 ( 2+ 28)

= 15(1+14)

225

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Hope it helps

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