exam
Maths Puzzle
Numerical Ability
(1-2i)x+2-3i=5-4i+2x
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exam Other Question
Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.
3√80a^7b^5 / 3√10a^5b^4
12(4r-5r/6) +20=19r-15+45r/2