In finite G.P., product of terms equidistant from beginning & end is always equal to product of first and last term.
Prove that in a finite GP the product of the terms equidistant from the beginning and the end is always same and equal to the product of first and last term.
In an A.P. the sum of the terms equidistant from the beginning and end is always same and equal to the sum of first and last terms.