Math, asked by shaliniteacher1979, 1 month 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.

Previous Question

Next Question

Similar questions

English, 26 days ago

1.Rearrange the following events in the proper order (1 to 10) as they take place in the story: a. There were no dogs in the streets so the grandmother took to feeding sparrows in the courtyard. b. The grandmother said her morning prayer in a monotonous sing-song while she bathed and dressed her grandson (the author). c. When the author went up to university, he was given a room of his own. The...

Economy, 26 days ago

what is demand deficient unemployment...

Math, 26 days ago

True or False:- If x, y and z are rational numbers such that z is non zero, then (x-y)÷z = x÷z-y÷z...

English, 1 month ago

say whether the following verbs are transitive, intransitive or verbs of incomplete predication, the prisoner went mad?

English, 1 month ago

businessman sold a dress for a taxable value of 2400 and charged gst at the rate of 5% how much sgst will he have to pay?

Biology, 8 months ago

How many organ are there in human body?

Music, 8 months ago

who is the biggest boy band in the world at the present time?

Political Science, 8 months ago

Can somebody tell me how to make constitutional preamble wall hanging?