11 Solve each of the following bisquared equations : 10 x^4-3x^2+2=0 20 x^4+x^2-2=0 3^circ 4x^4-21x^2+27=0

Question

Answer 1

To solve the, we can use substitution to simplify the process. Let's solve each equation step by step:1.

Let

. Then the equation becomes

. This is a quadratic equation in

. We can solve it by factoring:

So,

or

. Now, substitute back

:

or

Therefore,

or

.2.

Let

. Then the equation becomes

. This is a quadratic equation in

. We can solve it by factoring:

So,

or

. Now, substitute back

:

or

Therefore,

or

.3.

Let

. Then the equation becomes

. We can simplify this equation by dividing all terms by 3:

Now, we can solve this quadratic equation using the quadratic formula:

where

,

, and

.

So,

or

.Now, substitute back

:

or

Therefore,

or

.

Soru