Math, asked by mj4768141, 10 months ago

If a=2,tn=40,d=2,find n=?

Answers

Answered by lalllall7887

0

Answer:

very good question......

Answered by abi01susha10

1

Answer:

tn =a + (n-1)d

40=2+(n-1)2

38=(n-1)2

19=n-1

n=20

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