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Popular >

expand (x+Δ)^3

Solution

expand

(x + Δ)^{3}

Solution

x^{3} + 3Δ x^{2} + 3 Δ^{2} x + Δ^{3}

Solution steps

(x + Δ)^{3}

Apply Perfect Cube Formula:

(a + b)^{3} = a^{3} + 3 a^{2} b + 3 a b^{2} + b^{3}

a = x, b = Δ

= x^{3} + 3 x^{2} Δ + 3 x Δ^{2} + Δ^{3}

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Frequently Asked Questions (FAQ)

What is expand (x+Δ)^3 ?
The solution to expand (x+Δ)^3 is x^3+3Δx^2+3Δ^2x+Δ^3