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Popular >

simplify (5-4i)(5+4i)

Solution

simplify

(5 - 4 i) (5 + 4 i)

Solution

41

Solution steps

(5 - 4 i) (5 + 4 i)

Apply complex arithmetic rule:

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

= 5^{2} + (- 4)^{2}

5^{2} + (- 4)^{2} = 41

= 41

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Frequently Asked Questions (FAQ)

What is (5-4i)(5+4i) ?
The solution to (5-4i)(5+4i) is 41