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Popular >

expand (1+δ)(1+δ)

Solution

expand

(1 + δ) (1 + δ)

Solution

1 + 2 δ + δ^{2}

Solution steps

(1 + δ) (1 + δ)

Apply FOIL method:

(a + b) (c + d) = a c + a d + b c + b d

a = 1, b = δ, c = 1, d = δ

= 1 \cdot 1 + 1 δ + δ 1 + δδ

= 1 \cdot 1 + 1 δ + 1 δ + δδ

Simplify

1 \cdot 1 + 1 δ + 1 δ + δδ : 1 + 2 δ + δ^{2}

= 1 + 2 δ + δ^{2}

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Frequently Asked Questions (FAQ)

What is expand (1+δ)(1+δ) ?
The solution to expand (1+δ)(1+δ) is 1+2δ+δ^2