2log16+2log32 2log8-2log1/4

2log16+2log32
= 2log2^4 + 2log2^5
= 4+5
= 9

2log8-2log1/4
= 2log8/1/4
= 2log32
= 2log2^5
= 5

²log16 + ²log32
²log2⁴ + ²log2*5 (maksudnya 2 pangkat 5 ya)
4²log2 + 5²log2
4 + 5 = 9

²log8 - ²log¼
²log2³ - ²log4-² (maksudnya 4 pangkat -2 ya)
3²log2 - (-2)²log2
3 + 2 = 5