Q63.Suppose 28 - ๐, ๐, 70 - ๐ผ, ๐ผ are the coefficient of four consecutive terms in the expansion of ( 1 + ๐ฅ) ๐. Then the value of 2๐ผ- 3๐ equals (1) 7 (2) 10 (3) 4 (4) 6 ๐
What This Question Tests
This question tests the understanding of the relationship between consecutive binomial coefficients and requires solving a system of equations based on their given values.
Concepts Tested
Formulas Used
C(n,r) / C(n,r-1) = (n-r+1)/r
๐ NCERT Sections This Tests
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12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3ร10โ11 m. What are the radii of the n = 2 and n =3 orbits?
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5.28 How many ions are produced from the complex Co(NH3)6Cl2 in solution? (i) 6 (ii) 4 (iii) 3 (iv) 2 139 Coordination Compounds Reprint 2025-26
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14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
๐ Question Details
- Chapter
- Binomial Theorem
- Topic
- Properties of Binomial Coefficients
- Year
- 2024
- Shift
- 30 Jan Shift 2
- Q Number
- Q63
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 8: Binomial Theorem
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