Math, asked by alvinpaul2005, 4 months ago

16th term of an arthmetic sequence is 84 added to the 4th . if the 24th term is 168 then.
what is the first term?

Answers

Answered by Anonymous

1

Answer:

a=7

Step-by-step explanation:

According to questions

16th term = 84+ 4th term

a+15d= 84+ a+3d

a-a +15d-3d = 84

12d= 84

d= 84/12

d=7

Given: 24th term = 168

a+23d = 168

a+23*7 = 168

a+161=168

a=168-161

Please mark as brainliest ...thank u

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