Mathematics: Factorise: -1x^2y^2+x^4-2y^4

Factorise: -1x^2y^2+x^4-2y^4 - id1224247468615, jgcugucgucg

Ответ:

arangoaiden71

01.02.2022

$x^{4}-x^{2}y^{2}-2y^{4}$
$=x^{4}-2x^{2}y^{2}+x^{2}y^{2}-2y^{4}$
$=x^{2}(x^{2}-2y^{2})+y^{2}(x^{2}-2y^{2})$
$=(x^{2}-2y^{2})(x^{2}+y^{2})$

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Ответ:

lex7429

28.01.2022

Mathematics

38 inches because 40-5 is 35 so each sid would be enlarged by 35 inches so it is an enlarged ratio. Therefore, you would add 3 inches by 35 inches to get the width which is 38 inches.

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