suppare
prove that
3+15
is irrational
number.
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Step-by-step explanation:
By the above, any rational root must be an integer (u divides 15, while v divides 1). But √15 isn't an integer, so it is irrational. Copy and paste from another answer of mine. If n is a positive integer that is not a square of an integer, then √n is irrational.
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