sederhanakanlah.. 1. 3^x+4 . 5^x+1 . 15^2x-1 2. 6^3x+1 . 8^x-1 . 24^3x-1
Matematika
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Pertanyaan
sederhanakanlah..
1. 3^x+4 . 5^x+1 . 15^2x-1
2. 6^3x+1 . 8^x-1 . 24^3x-1
1. 3^x+4 . 5^x+1 . 15^2x-1
2. 6^3x+1 . 8^x-1 . 24^3x-1
1 Jawaban
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1. Jawaban Wiraa
Penyelesaian:
1. [tex] 3^{x+4} . 5^{x+1} . 15^{2x-1} [/tex]
= [tex] (3^{x+4}) . ( 5^{x+1}) . ((5.3)^{2x-1}) [/tex]
= [tex](3^{3x+3}) . ( 5^{3x})[/tex]
2. [tex] 6^{3x+1} . 8^{x-1} . 24^{3x-1} [/tex]
= [tex] ((2.3)^{3x+1}) . (8^{x-1}) . (3.8^{3x-1}) [/tex]
= [tex] (2)^{3x+1}) . (3)^{3x+1}). (8^{x-1}) . (3^{3x-1}) . (8^{3x-1})[/tex]
= [tex] (3^{3x+1+3x-1}) ( 8^{x-1+3x-1}) (2^{3x+1}) [/tex]
= [tex] (3^{6x}) ( 8^{4x-2}) (2^{3x+1}) [/tex]
= [tex] (3^{6x}) (2^{3}^{(4x-2)}) (3^{6x}) [/tex]
= [tex] (2^{15x-5}) (3^{6x}) [/tex]