Algebra, Geometry, International Mathematical Olympiads, Recreational Mathematics, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
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Algebra, Geometry, International Mathematical Olympiads, Recreational Mathematics, Math contests, Puzzles, Brainteasers, Number Theory, Combinatorics, Logic, Paradox
$log\frac{11}{15}+log\frac{490}{297}-2log\frac{7}{9}=logx$
ΑπάντησηΔιαγραφή$log11-log(3\cdot 5)+log(7^{2}\cdot 10)-log(11\cdot 3^{3})-log7^{2}+2log3^{2}=logx$
$-log3-log5+log2+log5-3log3+4log3=logx$
$log2=logx \Leftrightarrow x=2$