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a and b are real numbers
We have the following expressions:
a² - b² = 9
a.b = 3
Question: what are the value(s) for a and b ?
Good luck! And try to be among the first ones!
Please note the dot in the relation a.b is well a multiplication! It is not the decimal sign... Sorry to have not been highlighting this...
Ah, ok. I made the same "assumption", thanks for claryfing.
Yeah, the dot (".") in Europe (or at least in France and in Belgium is frequently used the multiplier operation...
Also in Australia, though usually positioned mid-line: • (<Alt>-0149). So it would have been better shown as a•b=3.But I think anyone with half a brain would have understood the fullstop as 'multiply'.
