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BECE Mathematics 2011 Paper
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© africaexams.com
Question : 9
Total: 40
Simplify
3
9
+
3
3
3
27
3
12
3
6
3
3
Validate
Solution:
Law of division of indices
a
m
a
n
=
a
m
−
n
The law states that the power of the indices dividing is subtrated from the powers of the indices of the numerator so far as the bases of the indices are the same.
3
9
3
3
=
3
9
−
3
3
9
3
3
=
3
6
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