find the number in an A.P such that the sum of 1st and 3rd term is 12 and the product of 1st and 2nd is 24
a + a+2d = 12
(a)(a+d) = 24
a=4, d=2
check:
4,6,8,10,...
4+8=12
4*6=24
(a)(a+d) = 24
a=4, d=2
check:
4,6,8,10,...
4+8=12
4*6=24