Question

2,7,12....,to 10 terms the following apx​

Answer 1

Answer:

5 is common difference

okay buddy

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Answer 2

Answer:

(1 )A.p .2,7,12...

here, a=2 and d=7-2=7

The sum of a terms of an ap is given by

⁵n=n [2a+(n-1)d]

⁵10=10/2 [2(2)+(10-1)(5)

= ⁵12 =6[-74+44]= - 30

Explanation:

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