Math, asked by rutvi1808, 7 months ago

Find the sum of the given AP:2,7,12.....to10 terms

Answers

Answered by Anonymous

2

Answer:

Sum = 245

Step-by-step explanation:

a = 2

d = 7-2 = 5

n = 10

Sum = n [2a + (n-1) d]

2

Sum = 10 [2*2 + (10 - 1) 5]

2

Sum = 5 [4 + 45]

Sum = 5 * 49

Sum = 245

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