Soalan 9:
Diberi bahawa 8×8p+1=(85)(83), cari nilai bagi p.
Penyelesaian:
8×8p+1=(85)(83)81+p+1=85+32+p=8p=6
Diberi bahawa 8×8p+1=(85)(83), cari nilai bagi p.
Penyelesaian:
8×8p+1=(85)(83)81+p+1=85+32+p=8p=6
Soalan 10:
Diberi bahawa 25×27210=2p, cari nilai bagi p.
Penyelesaian:
25×27210=2p25+7−10=2p22=2pp=2
Diberi bahawa 25×27210=2p, cari nilai bagi p.
Penyelesaian:
25×27210=2p25+7−10=2p22=2pp=2
Soalan 11:
Permudahkan: 12p10q63p4q2×(4pq3)2
Penyelesaian:
12p10q63p4q2×(4pq3)2=12p10q63p4q2×16p2q6 =121p10−4−2q6−2−631×164 =p4q−24 =p44q2
Permudahkan: 12p10q63p4q2×(4pq3)2
Penyelesaian:
12p10q63p4q2×(4pq3)2=12p10q63p4q2×16p2q6 =121p10−4−2q6−2−631×164 =p4q−24 =p44q2
Soalan 12:
Permudahkan: ab2×(8a3b6)13(a2b4)12
Penyelesaian:
ab2×(8a3b6)13(a2b4)12=ab2×(813a3(13)b6(13))a2(12)b4(12) =ab2×2ab2ab2 =2ab2
Permudahkan: ab2×(8a3b6)13(a2b4)12
Penyelesaian:
ab2×(8a3b6)13(a2b4)12=ab2×(813a3(13)b6(13))a2(12)b4(12) =ab2×2ab2ab2 =2ab2
Soalan 13:
Selesaikan: 32n+1=3n×9(912)−3
Penyelesaian:
32n+1=3n×9(912)−332n+1=3n×323−332n+1=3n+2−(−3)2n+1=n+5 n=4
Selesaikan: 32n+1=3n×9(912)−3
Penyelesaian:
32n+1=3n×9(912)−332n+1=3n×323−332n+1=3n+2−(−3)2n+1=n+5 n=4