Question

Me ajudem por favor!

a) x/1 + y/xy para x= 1/2 y= 1/4
b) 3x²/5 - √y/x para x= -2 y= 16

Answer 1

Resposta:

a) x/1 + y/XY

1/2/1 + 1/4/1/2•1/4

1/2 + 1/4 / 1/8

1/2 + 1/4 • 8/1

1/2 + 8/4

1/2 + 2/1

1/2 + 4/2

5/2

b)

3(-2)²/5 - √16/-2

3 • (4)/5 - 4/(-2)

12/5 + 2

12/5 + 10/5

22/5