1.

Factorise - [x^2+1/x^2]-4[x+1/x]+6​

Answer»

Answer:

(x+1/x-2)(x-1/x-2)

Step-by-step EXPLANATION:

letx+1/x be a

(x^2+1/x^2+2)-4(x+1/x)+4

=a^2-4a+4

=a^2-2a-2a+4

=a(a-2)-2(a-2)

=(a-2)(a-2)

=(x+1/x-2)(x-1/x-2)

HOPE THIS HELPS YOU BUDDY



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