Question

If the sum of the first 14 term of an ap is 1050and its first term is 10 find 20 th term​

Answer 1

Answer:

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Answer 2

Answer:

a=10

S14= 1050

14/2{2(10)+(14-1)d=1050

7{20+13d}=1050

20+13d=1050/7

20+13d=150

13d=130

d=10

a20=a+19d

a20=10+19(10)

a20=10+190

a20=200

hope it will help u