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  4. Explain why 9 superscript C subscript 7= 9 superscript C subscript 2. Without calculating either,...

Explain why 9 superscript C subscript 7= 9 superscript C subscript 2. Without calculating either,...

Explain why 9 superscript C subscript 7= 9 superscript C subscript 2. Without calculating either, and generalise this result by completing n superscript C subscript r.

9^C¿7 = 9^C¿2, completing =n^C¿r. . .
¿ Means subscript
^ means supperscript?
In Mathematics
1 Answers Available
Asked by Emma sanusi on 11th March, 2014
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