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Maths Puzzle
Numerical Ability
Perform the following complex number multiplication and write the answer in standard form:
(2 - i)(-6 + 6i)
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book Other Question
solve by addition
4x-y=3, 5x+4y=2
a)1,__)
b)-10/21,23/21
c)(__,2)
d) no solution
Solve each equation:
1. n - (8 + 4n) = 2(3n - 4)
2. 2z - 3 4 - z z + 1
------ - ----- = -------
4 2 3
3. 40x - 5 5 33 - 2x