Dear student We have,16xab45xab3=4245×ab2=143×ab2 =143a2b2 using abn=anbn Regards

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16xab/4^5x(ab)^3

Dear student

We have, \frac{16 xab}{4^{5} x {(ab)}^{3}} = \frac{4^{2}}{4^{5} \times {(ab)}^{2}} = \frac{1}{4^{3} \times {(ab)}^{2}} = \frac{1}{4^{3} a^{2} b^{2}} [using {(ab)}^{n} = a^{n} b^{n}]

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Aakash EduTech Pvt. Ltd.

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