Question

find 15th term of ap -40,-15,10,35
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Answer 1

Answer:

common difference =25

first term =-40

a+(n-1)d

since we need 15 th term, substute n=15

-40+(15-1)25=310

hope it helps u..

Answer 2

Answer:

the 15 th term is 310

a + 14 d= 15 th term

- 40 + 14 (25) = 310

hope it will helps