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Popular >

simplify (2-7i)(2+7i)

Solution

simplify

(2 - 7 i) (2 + 7 i)

Solution

53

Solution steps

(2 - 7 i) (2 + 7 i)

Apply complex arithmetic rule:

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

= 2^{2} + (- 7)^{2}

2^{2} + (- 7)^{2} = 53

= 53

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Frequently Asked Questions (FAQ)

What is (2-7i)(2+7i) ?
The solution to (2-7i)(2+7i) is 53