Original post by Mathsturbator.
x = t, y = 1/t, t =/= 0.
My answer: y = 1/x
Book answer: xy = 1.
Why?
My answer: y = 1/x
Book answer: xy = 1.
Why?
They’re the same.
xy=1 is just a nicer form
...
(edited 6 years ago)
Original post by Mathsturbator.
Ah, so it doesn't matter whether I leave it as y = ... or make it into xy = ... ?
Nope
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