What is the expansion for the identity a-b2 - A- a2-b2-2 a bB- a2-b2C- a2-b2-a bD- a2-b2-2 a b

The correct option is D ( a^2 nbsp;+ b^2 nbsp;– 2ab )(a b)^2 = (a b)(a b) =a(a b) b(a b) =a^2 ab ab + b^2 =a^2 2ab + b^2 =a^2 + b^2 2ab ...

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Algebraic Quadratic Identity

What is the e...

Question

What is the expansion for the identity ${(a - b)}^{2}$ ?

a^{2} - b^{2}

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(a^{2} + b^{2} + a b)

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(a^{2} - b^{2} - 2 a b)

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(a^{2} + b^{2} - 2 a b)

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(a - b)^{2} = a^{2} + 2 a b - b^{2}

(a - b)^{2} = a^{2} - 2 a b + b^{2}

(a - b)^{2} = a^{2} - b^{2}

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c o s (i l o g \frac{a - i b}{a + i b})

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