Question

The minimum value of x^4 + 4 / x^2 is?

Answer 1

Step-by-step explanation:

2

4

x

+4

1−x

≥

4

x

.4

1−x

4

x

+4

1−x

≥4

Answer 2

Answer:

x^2 + 4

Step-by-step explanation:

x^4 + 4/x^2

x^2 ×x^2 + 4 / x^2

Now cut x^2 from above and from x^2 to the downside.

When we cut it we get,

x^2 + 4

Hope you understood