x²\frac{dy}{dx}+3xy=\frac{1}{x}
expand these expressions 1.(c-2)(c+5)
cos(x) = 1,x
590,931,306,099,179,520 x 2 =
1. Rahul and Rohan have 45 marbles together. After losing 5 marbles each, the product of the number of marbles they both have now ...
$x^{2}$/(0.10 -x) = 1.75*$10^{-5}$
make v the subject of 5(v-d)=2v+19
81/99 simplified
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