Cubic Identities for 9th Graders Flashcards

1
Q

a3+b3

A

(a+b)(a2-ab+b2)

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2
Q

(a+b)3

A

a3+b3+3ab(a+b)

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3
Q

(a+b+c)2

A

a2+b2+c2+2(ab+bc+ca)

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4
Q

a3+b3+c3-3abc

A

(a+b+c)(a2+b2+c2-ab-bc-ca)

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