Question

Find the value of a, b and c such that the numbers a, 7, b, 23 and c are in AP​

Answer 1

Answer:

refer to my above attachment

hope it helps u

Answer 2

Answer:

a=-1

b=15

c=31

Step-by-step explanation:

a2=7

7=(a+(2-1)d)

7=a+d------(1)

a4=23

23=(a+(4-1)d)

23=a+3d------(2)

(2)-(1)

=16=2d

d=8

So everything will have a common difference of 8

a in the question =7-8=-1

b=7+8=15

c=23+8=31