Math, asked by hoodaprittam, 8 months ago

If a = 3, d = 7, n = 25 find S25

Answers

Answered by kartikayagrawal
2

Answer:

171

Step-by-step explanation:

Sn = a+ (n-1) d

S25= 3 +(25-1) 7

S25= 3+(24×7)

S25= 3+168

S 25= 171

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