2 8*a + 7 -------- 2 3*a + 2
(8*a^2 + 7)/(3*a^2 + 2) при a = 2
(8*a^2 + 7)/(3*a^2 + 2)
(8*(2)^2 + 7)/(3*(2)^2 + 2)
(8*2^2 + 7)/(3*2^2 + 2)
39/14
(7.0 + 8.0*a^2)/(2.0 + 3.0*a^2)
8 5 - + -------- 3 2 6 + 9*a