Find the product:

Question:

Find the product:
(x2 − a2) × (x − a)

Solution:

By horizontal method:

$\left(x^{2}-a^{2}\right) \times(x-a)$

$=x^{2}(x-a)-a^{2}(x-a)$

$=x^{3}-a x^{2}-a^{2} x+a^{3}$

i.e $\left(x^{3}+a^{3}\right)-a x(x-a)$

 

Leave a comment

Close
faculty

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now