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Dear experts,<br />
<br />
Can you please refer me to any online material/book which will demonstrate the application of the below rule with examples.<br />
<br />
Rule: Total number of sections of zero or more things from n different things = nC0+ nC1+ nC2+ nC3+ nCn=2^n<br />
<br />
Please help.
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Dear experts,

Can you please refer me to any online material/book which will demonstrate the application of the below rule with examples.

Rule: Total number of sections of zero or more things from n different things = nC0+ nC1+ nC2+ nC3+ nCn=2^n

Please help.

Permutation and Combination - Total number of sections of zero or more things from n different things

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