NCERT Solutions for Class 11 Maths Chapter 7 Exercise 7.4

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Class 11 Maths NCERT Solutions Chapter 7 Permutations and Combinations Exercise 7.4 is based on Combination.

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Chapter Related Topics
Permutations and Combinations Formulas	Factorial Formula	Stirling Formula
Combinatorics	Involute	Difference between Permutation and Combination

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CBSE CLASS XII Related Questions

1.
Using integration, find the area of the region bounded by the curve \( y = x|x| \), the x-axis, and the vertical lines \( x = -2 \) and \( x = 2 \).
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2.
Find: \[ \int \frac{x^2}{(x^2-1)(x^2+4)}\,dx \]
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3.
Which of the following equations is NOT a Linear Differential Equation?
- \((1 + x^2) \, dy + 2xy \, dx = \cot x \, dx\)
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- \(y \, dx - (x + 3y^2) \, dy = 0\)
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4.
Evaluate:
\[ \int_{0}^{1} \frac{x \tan^{-1}x}{(1+x^2)^{3/2}}\,dx \]
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5.
If \( xy = e^{x - y} \), then find \( \frac{dy}{dx} \).
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6.
Find:

The shortest distance between the lines: \[ \vec{r}=(4+\lambda)\hat{i}+(2\lambda-1)\hat{j}-3\lambda\hat{k} \] and \[ \vec{r}=(1+2\mu)\hat{i}+(4\mu-1)\hat{j}+(2-5\mu)\hat{k} \]
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Similar Mathematics Concepts

Permutations and Combinations: Formulas & Examples

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Permutations and Combinations Formulas: Derivation, Example

NCERT Solutions for Class 11 Maths Chapter 7: Permutations and Combinations

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Involute: Introduction, Equations & Sample Questions

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NCERT Solutions for Class 11 Maths Chapter 7 Exercise 7.1

NCERT Solutions for Class 11 Maths Chapter 7 Exercise 7.2

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