Lihat digambar… matematika gan..
4.
= ³log8 x ²log81
= ³log2³ x ²log3⁴
= 3 x ³log2 x 4 x ²log3
= 12 x ³log3
= 12 x 1
= 12 (b)
5.
- =
4(2x + 5) – 6(3x + 4) = 3(4x + 6)
8x + 20 – 18x – 24 = 12x + 18
-22x = 22
x = -1 (b)
Semoga membantu
Yang nomor satu kurang tau, tapi nomor 2 mudah mudahan betul