Q64.If the fourth term in the expansion of (x + xlog2 x) 7 is 4480, then the value of x where x ∈N is equal to: (1) 2 (2) 4 (3) 3 (4) 1
What This Question Tests
This question tests the application of the general term formula in a binomial expansion and the subsequent solution of an equation involving logarithmic/exponential terms.
Concepts Tested
Formulas Used
T_{r+1} = nC_r a^{n-r} b^r
📚 NCERT Sections This Tests
1.3 — Define The Following Terms:
Chemistry Class 11 · Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
1.27 — If The Solubility Product Of Cus Is 6 × 10–16, Calculate The Maximum Molarity Of
Chemistry Class 11 · Chapter 1
1.27 If the solubility product of CuS is 6 × 10–16, calculate the maximum molarity of CuS in aqueous solution.
12.5 — A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 · Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
📋 Question Details
- Chapter
- Binomial Theorem
- Topic
- General term in binomial expansion
- Year
- 2021
- Shift
- 17 Mar Shift 1
- Q Number
- Q64
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 8: Binomial Theorem
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