Questions tagged [rationals]

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1 vote
2 answers

How to transform a complex quotient involving absolute values and conjugates into the rectangular form?

I am relatively new to Mathematica and I am still trying to figure out all the commands. I have these three complex numbers: And I wish to calculate the following quotient and write it in the a+bi ...
Ihab Alrikabi's user avatar
6 votes
1 answer

Reasoning about rational numbers

If $x$ is a positive rational number, then of course so is $2 x$. How can we make Mathematica yield this result? The obvious approach doesn't work: ...
David G. Stork's user avatar