Question

Jika 3log4 = -2x/3 tentukanlah nilai 0,25 log 9

Answer 1

³log4  = (-2x)/3

⁰.²⁵log 9 = ³log 9 / ³log 1/4
= ³log 3² / (³log 4⁻¹)
= (2. ³log 3 ) / (-1)(³log 4)
= (2)(1) / (-1)(-2x/3)
= (2) / (2x/3)
= 3.2 /(2x)
= 3/(x)