tolong di jawab nya paket rumus

Materi Logaritma
7log4×2log5+7log49/25
√7log2×2log5+7log49/25
√7log5+7log49/25
7log25+7log49/25
7log(25×49/25)
7log(49)=2

difahami dan diteliti lagi ya. good luck.