Question

AYUDA

EVALUAR:
5/x2cuadrada + 2x

CUANDO:
A: x=3.2
B: x=1.5
C: x= -2
D: x= 4/3

Answer 1

5/x² + 2x 

A:
x = 3.2

5/(3.2)² + 2(3.2)
5/10.24 + 6.4
70.536/10.24
6.88828125

B:
x = 1.5

5/(1.5)² + 2(1.5)
5/2.25 + 3
11.75/2.25
5.222.....

C:
x = - 2

5/( - 2)² + 2( - 2)
5/4 - 4
- 11/4
- 2.75

D:
x = 4/3

5/(4/3)² + 2(4/3)
5/1/16/9 + 8/3
45/16 + 8/3
263/48