Fundamental of Mathematics Flashcards

1
Q

(a+b)^2

A

a2 + b2 + 2ab

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2
Q

(a-b)^2

A

a2 + b2 - 2ab

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3
Q

(a+b)(a-b)

A

a2 - b2

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4
Q

(a+b)^3

A

a3 + b3 + 3ab(a+b)

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5
Q

(a-b)^3

A

a3 - b3 - 3ab(a-b)

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6
Q

a3 + b3

A

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

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7
Q

a3 - b3

A

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

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8
Q

(a+b+c)^2

A

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

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9
Q

a3+b3+c3-3abc

A

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

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10
Q

a4+a2+1

A

(a2+a+1)(a2-a+1)

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