exam
Maths Puzzle
Numerical Ability
write an equationof a circlewith the givencenter and radius. center(1,-5), radius 2.5
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exam Other Question
How does one prove: If C is an infinite set and B is a finite set, the CB is an infinite set? I can do the proof if B = null set, but I get lost if B intersects C. If B has n e
(5x+75)^2=250
7(x^2+1)^1/2+28(x^2+1)^-1/2