Q85.The coefficient of ๐ฅ7 in 1 - ๐ฅ+ 2๐ฅ310 is __________ .
What This Question Tests
This question tests the ability to find the coefficient of a specific power of x in the expansion of a trinomial raised to a power, requiring the application of the multinomial theorem or careful binomial expansion.
Concepts Tested
Formulas Used
(a+b)^n = sum(nCr * a^(n-r) * b^r)
General term for multinomial expansion
๐ NCERT Sections This Tests
1.3 โ Define The Following Terms:
Chemistry Class 11 ยท Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
2.2 โ A Regular Hexagon Of Side 10 Cm Has A Charge 5 Mc At Each Of Its
Physics Class 11 ยท Chapter 2
2.2 A regular hexagon of side 10 cm has a charge 5 mC at each of its vertices. Calculate the potential at the centre of the hexagon.
1.27 โ If The Solubility Product Of Cus Is 6 ร 10โ16, Calculate The Maximum Molarity Of
Chemistry Class 11 ยท Chapter 1
1.27 If the solubility product of CuS is 6 ร 10โ16, calculate the maximum molarity of CuS in aqueous solution.
๐ Question Details
- Chapter
- Binomial Theorem
- Topic
- General term in binomial expansion
- Year
- 2023
- Shift
- 10 Apr Shift 1
- Q Number
- Q85
- Type
- Numerical
- NCERT Ref
- Class 11 Mathematics Ch 8: Binomial Theorem
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