Math, asked by kavitapanwar23102000, 8 months ago

thefirst team of An is -2 and the 11th team is 18find its 15th serm

Answers

Answered by anurag2147

2

a= -2

a¹¹ = 18

a+10d = 18

-2 +10d = 18

10d = 18+2

10d = 20

d= 2

hence the 15 term is

a+14d = -2 +14× 2 = -2+28 =26

Answered by sathwikd187

1

Answer:

hope u understood.....

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