Brocked is a slang term, reportedly originating from the Royal New Zealand Airforce, that refers to the act of another aircrew member secretly and sneakily taking away ones allocated flying time or duty.
Surds
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In [mathematics], we often arrive at answers that contain root signs (they may be square roots, cube roots, etc.).
We will find that some of these numbers with a [root] sign are easy to deal with since they have an exact decimal representation
For instance [sqrt]16 = 4, rt^3(8)= = 2, sqrt11.56 = 3.4, rt^5(1/32) = 0.5.
This is because each of these numbers is [rational]
Surds meaning & definition 1 of Surds.
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