Question

Solution set of the inequality 1/x
$\leqslant$
1 is _____.
a) (0,1)
b) (-infinity,0] union [1,infinity)
c)[1,infinity)
d) (-infinity,0) union [1,infinity)

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Answer 1

Solution set of the inequality `1/(2^x-1)>1/(1-2^(x-1))` is `1,oo)` (b) `0,(log)_2(4/3)` (c) `(-1,oo)` `(0,(log)_2(4/3)uu(1,oo)`