Question

Decide whether is it an A.P or not

1} 3, 3+ √ 2 , 3+2 √ 2, 3+3 √ 2, ,……….​

Answer 1

Answer:

Yes they are in A.P

because a=3

r=a2-a1

r=3√2-3=√2

so, it is in AP

Answer 2

Answer:

3, 3+ √ 2 , 3+2 √ 2, 3+3 √ 2, ... are in the AP

Step-by-step explanation:

Things to remember:-

• If the common difference is same throughout the given series then the series is in the AP.
• common difference is denoted by d.