Matemática Flashcards

1
Q

(x + y)^2 equivale a:

A

x^2 + 2xy + y^2

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2
Q

(x - y)^2 equivale a:

A

x^2 - 2xy + y^2

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3
Q

(x + y)(x - y) equivale a:

A

x^2 - y^2

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4
Q

(x + y)^3 equivale a:

A

x^3 + 3x^2y + 3xy^2 + y^3

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5
Q

(x - y)^3 equivale a:

A

x^3 - 3x^2y + 3xy^2 - y^3

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