Pertanyaan

Jika ,maka nilai a + b adalah….

Jika $147 open parentheses 6 to the power of 4 close parentheses plus 69 open parentheses 6 to the power of 4 close parentheses equals 36 to the power of fraction numerator a plus b over denominator 2 end fraction end exponent$ , maka nilai a + b adalah….

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Pembahasan

karena bilangan pokoknya sama maka a + b = 7.

$147 open parentheses 6 to the power of 4 close parentheses plus 69 open parentheses 6 to the power of 4 close parentheses equals 36 to the power of fraction numerator a plus b over denominator 2 end fraction end exponent space left parenthesis ingat space sistem space distribusi space perkalian right parenthesis open parentheses 147 plus 69 close parentheses open parentheses 6 to the power of 4 close parentheses equals open parentheses 6 squared close parentheses to the power of fraction numerator straight a plus straight b over denominator 2 end fraction end exponent 216 cross times 6 to the power of 4 equals 6 to the power of straight a plus straight b end exponent 6 cubed cross times 6 to the power of 4 equals 6 to the power of straight a plus straight b end exponent space left parenthesis ingat space straight a to the power of straight m cross times straight a to the power of straight n equals straight a to the power of straight m plus straight n end exponent right parenthesis 6 to the power of 3 plus 4 end exponent equals 6 to the power of straight a plus straight b end exponent 6 to the power of 7 equals 6 to the power of straight a plus straight b end exponent$

karena bilangan pokoknya sama maka

a + b = 7.