Question

verify whether a,2a,3a,4a forms an AP​

Answer 1

Answer:

yes.......

bcoz...

the difference between consecutive terms is a

like 2a-a=a

3a-2a=a

4a-3a=a

that was why,it is an A.P

thanku☺

pls mrk it as brainliest

Answer 2

Answer:

we know that in AP common difference is same

therefore let us verify by checking common difference ( denoted by d)

d1= 2a - a = a

d2 = 3a - 2a = a

d3= 4a - 3a = a

Since common ddifference is same

therefore these terms form an AP

mark my answer as brainliest please