Question

1) Factorise: b²+1-12/b²

2) If, a³+b³+c³=3abc and a+b+c≠0 then prove a=b=c


plzz do it quickly. very very urgent.


Whoever first will answer correctly, I'll thank him and mark as the brainliest


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Answer 1

Answer:

2. a square + b square + c square - ab -bc - ca is zero then

1. which are in option