kagamihara-chan's answer to dryberrys's Secondary 3 A Maths Singapore question.

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kagamihara-chan
Kagamihara-chan's answer
92 answers (A Helpful Person)
We love surds
J
J
3 years ago
A square root isn't always positive. Consider √0
J
J
3 years ago
There are no real values of x for which both surds equal 0
kagamihara-chan
Kagamihara-chan
3 years ago
Whoops, should've put more than or equals to 0, thank you!