Question

punctul x si y va rog

Answer 1

Răspuns:

x = 5/18 + rad(75/90 - 3/90)

x = 5/18 + rad72/90

x = 5/18 + rad(8/10)

x = 5/18 + 2rad2/rad10

x = 5/18 + 4rad5/10

x = 5/18 + 2rad5/5

Numitor comun 90

x = (25 + 36rad5)/90

y = 7rad3/6 • (125/1000 - 25/100 + 1)^(-1)

y = 7rad3/6 • (1/8 - 1/4 + 1)^(-1)

y = 7rad3/6 • [(1 - 2 + 8)/8]^(-1)

y = 7rad3/6 • 8/7

y = 4rad3/3