Math, asked by sakshibalashetti, 2 months ago

a. =2. d =5. n =25 then find (Sn )in ap

Answers

Answered by 13154711
7

Answer:

formula sn =n/2 (2 a+(n-1)× d )

sn =25 / 2 { (2 ×2 +( 25-1)× 5 }

sn= 25{ ( 2+(25-1)×5 }

sn= 25{ ( 2 + (24 )× 5 }

sn= 25{( 2 +120 )}

sn= 25 {(122)}

sn= 3050

May this answer help you

Answered by pramodvn317
1

Answer:

a=2,d=5,n=25,Sn=1550 I hope it is useful for you

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