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3 years ago

12

How do I solve this problem?

1 answer:

MakcuM [25]3 years ago

4 0

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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