on @ Gp.the 4th term exceed 3rd term by 72 nd 3rd term exceeds 2nd term by 24.fnd the frst four term of the progressn.

Answer 1

just use what you know about GPs:

ar^3 = ar^2+72
ar^2 = ar+24

So,

ar^2(r-1) = 72
ar(r-1) = 24
Now divide and you have r=3
So, a=4

and the GP is 4,12,36,108