Class 11  >  MCQ: Binomial Theorem - Class 11

MCQ: Binomial Theorem - Class 11 - Notes - Class 11

 If in the expansion of (1 + x)m (1 – x)n, the co-efficients of x and x2 are 3 and – 6 respectively, then m is [JEE 99,2 ]
  • a)
    6
  • b)
    9
  • c)
    12
  • d)
    24
Correct answer is option 'C'. Can you explain this answer?

Ref: https://edurev.in/question/583519/If-in-the-expansion-of-1-x-m-1-ndashx-n-the-co-efficients-of-x-and-x2are-3-and-ndash6-respectively

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The correct answer is b.
MCQ: Binomial Theorem - Class 11 - Notes - Class 11

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