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Popular >

simplify (3+2i)(1+7i)

Solution

simplify

(3 + 2 i) (1 + 7 i)

Solution

- 11 + 23 i

Solution steps

(3 + 2 i) (1 + 7 i)

Apply complex arithmetic rule:

(a + bi) (c + d i) = (a c - b d) + (a d + b c) i

= (3 \cdot 1 - 2 \cdot 7) + (3 \cdot 7 + 2 \cdot 1) i

Simplify

(3 \cdot 1 - 2 \cdot 7) + (3 \cdot 7 + 2 \cdot 1) i : - 11 + 23 i

= - 11 + 23 i

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Frequently Asked Questions (FAQ)

What is (3+2i)(1+7i) ?
The solution to (3+2i)(1+7i) is -11+23i