Question

4. Which of the following are APs ? If they form an AP, find the common difference d and
write three more terms.
I) 2,4,8,16.....
ii)-1.2,-3.2,-5.2,-7.2.....
iii)3,3+√2,3+2√2,3+3√2.......​

Answer 1

Answer:

-1.2,-3.2,-5.2,-7.2,.... is an AP

common difference is -2

next three terms are -9.2,-11.2,-13.2 respectively

Answer 2

Answer:

2 and 3 are in AP and the common difference is 2 and square root 2respectively