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Class 11MathematicsPermutations and CombinationsCombinationsExpert
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What is the coefficient of ( x^5 ) in the expansion of ( (1+x)^{12} )?

Answer and explanation

Correct answer: (792)

The coefficient is ( \binom{12}{5} ), so the answer is (792). In exams, for ( (1+x)^n ), the coefficient of (x^r) is ( \binom{n}{r} ).

Related tags

Class11CombinationsBinomial-CoefficientExpertPermutations And CombinationsMathematicsClass 11 Mcq
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