Show that. (a+b)² (aw+bw²)²+ (aw²+bw)²= 6ab
plz guys fast answer my question as possible as u can
Answers
Answered by
1
Step-by-step explanation:
we know w³=1 and w+w² = -1.
(aw+bw²)² = a²w² + b²w⁴ + 2abw³ = a²w² + b²w +2ab
(aw²+bw)²= a²w + b²w² +2ab
adding these two, a²(w+w²) + b²(w+w²) + 4ab
= -a² -b² +4ab
Not sure how to proceed from here. hopefully you can look into it.
Answered by
1
i think it is helpful
plz plz follow me
plz and mark me as brillient
Attachments:
Similar questions