CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

(a+b)(a-b) Expansion and Visualisation

Factorise: ...

Question

Factorise: $x^{4} - 3 x^{2} - 2 = 0$

Open in App

Solution

given, $x^{4} - 3 x^{2} + 2 = 0$

$x^{4} - 2 x^{2} - x^{2} + 2 = 0$

$\Rightarrow x^{2} (x^{2} - 2) - 1 (x^{2} - 2) = 0$

$\Rightarrow (x^{2} - 2) (x^{2} - 1) = 0$

$\Rightarrow (x^{2} - 2) (x - 1) (x + 1) = 0$

Suggest Corrections

thumbs-up

0

Similar questions

x^{4} - 3 x^{2} + 2

81 - x^{4}

3 x^{2} - 2 x + 2 = 0

Q. Solve the following equations:

x^{4} - 3 x^{2} - 6 x - 2 = 0

x^{3} - 3 x^{2} - x + 3 = 0

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

(a+b)(a-b) Expansion and Visualisation

MATHEMATICS

Watch in App

explore_more_icon

Explore more

(a+b)(a-b) Expansion and Visualisation

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon