NCERT Solutions for Class 12 Maths Chapter 7 Integrals Ex 7.9 are part of NCERT Solutions for Class 12 Maths. Here we have given NCERT Solutions for Class 12 Maths Chapter 7 Integrals Ex 7.9.

- Integrals Class 12 Ex 7.1
- Integrals Class 12 Ex 7.2
- Integrals Class 12 Ex 7.3
- Integrals Class 12 Ex 7.4
- Integrals Class 12 Ex 7.5
- Integrals Class 12 Ex 7.6
- Integrals Class 12 Ex 7.7
- Integrals Class 12 Ex 7.8
- Integrals Class 12 Ex 7.10
- Integrals Class 12 Ex 7.11

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 12 |

Subject |
Maths |

Chapter |
Chapter 7 |

Chapter Name |
Integrals |

Exercise |
Ex 7.9 |

Number of Questions Solved |
22 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 12 Maths Chapter 7 Integrals Ex 7.9

**Evaluate the definite integrals in Exercise 1 to 20.**

**Ex 7.9 Class 12 Maths Question 1.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 2.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 3.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 4.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 5.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 6.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 7.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 8.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 9.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 10.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 11.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 12.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 13.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 14.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 15.**

**Solution:**

let x² = t ⇒ 2xdx = dt

when x = 0, t = 0 & when x = 1,t = 1

**Ex 7.9 Class 12 Maths Question 16.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 17.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 18.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 19.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 20.**

**Solution:**

**Ex 7.9 Class 12 Maths Question 21.**

(a)

(b)

(c)

(d)

**Solution:**

(d)

**Ex 7.9 Class 12 Maths Question 22.**

(a)

(b)

(c)

(d)

**Solution:**

(c)

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