Answer:
2a² - [tex]\frac{2}{a^2}[/tex] = 0
Step-by-step explanation:
If 2a + 2/a = 4
Multiplying by a throughout to get:
2a² + 2 = 4a
Making this a quadratic equation:
2a² - 4a + 2 = 0
Dividing by 2 throughout:
a² - 2a + 1 = 0
Applying the quadratic formula:
a = [tex]\frac{2 +/- 0}{2}[/tex]
a = 1
2a² - [tex]\frac{2}{a^2}[/tex] = 2 - 2 = 0
