Question

calcule o valor numerico de:

Answer 1

(x + y)/(1 + xy)  ------  x = 1/2          y = 1/4

(1/2 + 1/4) ÷ ( 1 + 1/2 . 1/4) ------- ((2 + 1)/4) ÷ (1 + 1/8)  ---- (3/4) ÷ ((8 +1)/8)

3/4 ÷ 9/8 ------3/4 . 8/9 -----24/36 ----- 12/18 ----- 6/9 ----- 2/3