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A day full of math games & activities. Find one near you.
Solution:
Given expression is
(7 - 3i).(2 - i)
Dot product means algebraically, the dot product is defined as the sum of the products of the corresponding entries of the two sequences of numbers.
=(7)(2) + (-3)(-1)
=14 + 3
= 17
(7 - 3i).(2 - i) = 17
Summary:
(7 - 3i).(2 - i) = 17 is the simplified form.