wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Factorise
a31a32a+2a

Open in App
Solution

we already know that x3y3=(xy)(x2+xy+y2)

So we'll use this identity and then we're left with

(a - \frac{1}{a} )( {a}^{2} + 1 + {1/a}^{2} ) - 2(a - \frac{1}{a} ) \\ =( a - \frac{1}{a})( {a}^{2} + 1 + {1/a}^{2} - 2)


flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Algebraic Identities
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon