lee119
lee119
24-09-2017
Mathematics
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How do I solve this problem?
Respuesta :
mreijepatmat
mreijepatmat
24-09-2017
Remember mᵃ.mᵇ = mᵃ⁺ᵇ (m and m should be the SAME)
And m⁻ᵃ = 1/mᵃ
Hence
(a⁴.b⁻²).a³ = b⁴/a⁵
a⁴⁺³.b⁻² = b⁴/a⁵
a⁷./b² = b⁴/a⁵
Cross multiplication:
a⁷.a⁵ = b⁴.b²
a⁷⁺⁵ = b²⁺⁴
a¹² = b⁶
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