Question

Find the value of a,b,c such that a,10,b,c,31 are in an AP

Answer 1

Step-by-step explanation:

A=2 B=17 and C= 2

.

........ step by solution

Answer 2

Answer:

Step-by-step explanation:

Ap-a,10,b,c,31

Let 10 be a 1st term

And 31 be 4th term

Therefore,

an=a+(n-1)d

31=10+(4-1)d

21=3d

Therefore ,

d=7

Now,

a1=a2-d

a1 or a=10-7=3

a3 or b=a2+d=10+7=21

A

a4 or c=a3+d=17+7=24

Therefore ap is

3,10,17,24,31