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Popular >

simplify (6+7i)(1+2i)

Solution

simplify

(6 + 7 i) (1 + 2 i)

Solution

- 8 + 19 i

Solution steps

(6 + 7 i) (1 + 2 i)

Apply complex arithmetic rule:

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

= (6 \cdot 1 - 7 \cdot 2) + (6 \cdot 2 + 7 \cdot 1) i

Simplify

(6 \cdot 1 - 7 \cdot 2) + (6 \cdot 2 + 7 \cdot 1) i : - 8 + 19 i

= - 8 + 19 i

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Frequently Asked Questions (FAQ)

What is (6+7i)(1+2i) ?
The solution to (6+7i)(1+2i) is -8+19i