Jika ᵃlog b – ᵇlog a = 3 maka nilai (ᵃlog b)² +(ᵇlog a)² adalah...

^a log b - ^b log a =3
(^a log b - ^b log a)²=3²
(^a log b)²+(^b log a)²-2(^a log b.^b log a)=9
(^a log b)²+(^b log a)²=9-2
=7