NCERT/Class 11/Mathematics/Binomial Theorem

Binomial Theorem

Class 11 · Mathematics

47 questions20 easy12 medium15 hard

Sample Questions

Q1.The general term (r+1)th term in the expansion of (a+b)ⁿ is:

  • AⁿCᵣ aⁿ⁻ʳ bʳ
  • BⁿCᵣ aʳ bⁿ⁻ʳ
  • CⁿCᵣ₋₁ aⁿ⁻ʳ bʳ⁻¹
  • DⁿCᵣ aⁿ bʳ

Q2.The coefficient of x² in (1+x+x²)⁴ is:

  • A10
  • B13
  • C16
  • D6

Q3.The coefficient of aⁿ⁻¹b in the expansion of (a+b)ⁿ is:

  • A1
  • Bn–1
  • Cn
  • Dn(n–1)/2

Q4.The number of terms in the expansion of (a + b)ⁿ is:

  • An
  • Bn – 1
  • Cn + 1
  • D2n

Q5.The property ⁿCᵣ = ⁿCₙ₋ᵣ implies that in Pascal's triangle:

  • AEach row is symmetric about the middle
  • BEach row adds to 2ⁿ
  • CEach entry is the sum of two above it
  • DThe triangle has only prime entries

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Applications of binomial theoremBinomial coefficientsBinomial theorem statementGeneral termMiddle termParticular termsPascal's triangleProperties of binomial coefficients

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