Two mark example problems II — task. Mathematics State Board, Class 10.

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Answer variants:

$(x + 1) {(x - 1)}^{2} (x^{2} + 1)$

${(x - 3)}^{3} (x + 3) (x^{2} + 3 x + 9)$

$48 x^{4} y^{4}$

$5 (x - 2) (x + 2)$

Find the LCM of the following:

(i)

$x^4 - 1$ ,

$x^2 - 2x + 1$

$=$

(ii)

$x^3 - 27$ ,

$(x - 3)^2$ ,

$x^2 - 9$

$=$

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