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Type your math problem... r-1 第１回

x

Question

Simplify the expression

r + DH u

Evaluate

r - 1 \times D i \times 1 \times H u i

Multiply the terms

More Steps

Multiply the terms

1 \times D i \times 1 \times H u i

Rewrite the expression

D i H u i

Use the commutative property to reorder the terms

i DH u i

Multiply the numbers

More Steps

Evaluate

i \times i

Multiply

i^{2}

Use i^{2} = - 1 to transform the expression

1 \times (- 1)

Calculate

- 1

- DH u

r - (- DH u)

Solution

r + DH u

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