Question

(¼a²+7by9b²)(a + b + ab); a= 2, b=3
simplify and then verify the result for the given values​

Answer 1

Answer:

(1/4(a)^2 + 7/9(9)^2)(a+b+ab)

(1/4(2)^2 + 7/9(9)^2)(2+3+6)

(1+7/81)(11) = 89/81 * 11

979/81 = 12.08