if a # b = ab – b + b ^ 2 , then 3 # 8 =
"solution - simply substitute 3 and 8 in equation in the place of a and b respectively . 3 # 8 = 3 * 8 - 8 + 8 ^ 2 = 24 - 8 + 64 = 80 . ans a"
add(subtract(multiply(3, 8), 8), power(8, 2))