1.

(i)Find the product:(x2 - 1) (x ^4+ x^2 + 1)​

Answer»

=X2(x^4+x^2+1)-1(x^4+x^2+1)

=(x^8+x^4+x^2)-(x^4-x^2-1)

Answer=x^8-1 (because x^4&x^2 can be CANCELLED)



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