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Popular >

simplify (x+yi)(x-yi)

Solution

simplify

(x + y i) (x - y i)

Solution

x^{2} + y^{2}

Solution steps

(x + y i) (x - y i)

Apply complex arithmetic rule:

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

= x^{2} + y^{2}

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Frequently Asked Questions (FAQ)

What is (x+yi)(x-yi) ?
The solution to (x+yi)(x-yi) is x^2+y^2