Solution - Basic complex operations
(12+6i)*(8-12i)=(168-96i)
Other Ways to Solve
Basic complex operationsStep by Step Solution
Complex Multiplication
The formula is :
(a+bi) • (x+yi) = ax+by•i^2+(ay+bx)i
and since i^2 = -1 it can be written as :
ax - by + (ay + bx) i
( 12 + 6i) • ( 8 - 12i) =
(168 - 96i)
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