Nilai dari 2log3 x 3log25 x 5log7 x 49log8=

jawab

²log 3 x ³log 5² x ⁵log 7 x ⁷^²log 2³ =
= (²log 3) x (2)(³log 5) x (⁵log 7) x(3/2)(⁷log 2)
= (2)(3/2) (²log 3 . 3log 5 . ⁵log 7 . ⁷log 2)
= 2 (²log 2)
= 2(1)
= 2