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xz_007 [3.2K]
3 years ago
7

Can you take the square root of both sides of an inequality

Mathematics
1 answer:
ddd [48]3 years ago
6 0
Hi there!

Since square roots are non-negative, Inequality is only meaningful if both sides are non-negative. Hence, squaring both sides was indeed valid.

Similarly, applying a decreasing function toboth sides of an in- equality will reverse it.

Cheers!
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