Math, asked by shaliniteacher1979, 2 months ago

find the sum of 1st 30terms of the Ap 2,6,10,..

Answers

Answered by revatikulkarni

3

Step-by-step explanation:

t1=a=2

t2=6

d=4

n=30

Sn= n/2 (2a+(n-1)d)

S30= 30/2 (2×2+(30-1)4)

=15 ×(4+116)

=15×120

S30 =1800

Therefore, sum of first 30 term of given AP is is 1800.

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