exam
Maths Puzzle
Numerical Ability
please help
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IS it possible to draw a quadrilateral so that all sides have positive slopes.If so do it if not explain why not.
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exam Other Question
How can I write the expression 2.1n x-1n y+3. 1n z as a single lograithm. The periods after the 2 and 3 stands for the (times) sign not periods.
simplify:
i(5+i)