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Popular >

simplify (7+5i)(7-5i)

Solution

simplify

(7 + 5 i) (7 - 5 i)

Solution

74

Solution steps

(7 + 5 i) (7 - 5 i)

Apply complex arithmetic rule:

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

= 7^{2} + 5^{2}

7^{2} + 5^{2} = 74

= 74

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Frequently Asked Questions (FAQ)

What is (7+5i)(7-5i) ?
The solution to (7+5i)(7-5i) is 74