# NCERT Solutions for Class 12 Maths Differential Equations

Hi Students, Welcome to **Amans Maths Blogs (AMB)**. In this post, you will get the * NCERT Solutions for Class 12 Maths Differential Equations Exercise 9.1*.

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**NCERT Solutions for Class 12 Maths Differential Equations Exercise 9.1**The PDF books of * NCERT Solutions for Class 12* are the first step towards the learning and understanding the each sections of Maths, Physics, Chemistry, Biology as it all help in engineering medical entrance exams. To solve it, you just need to click on download links of

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**CBSE Class 12**^{th}Maths## NCERT Solutions for Class 12 Maths Differential Equations

Determine order and degree (if defined) of differential equations given in Exercises 1 to 10.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 1.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is y′′′ , so its order is **THREE**.

The given differential equation is not a polynomial equation in its derivatives and so its degree is **NOT Defined**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 2.**

**NCERT Solutions:**

Given differential equation is.

The highest order derivative present in the given differential equation is y′, so its order is **ONE**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative y’ is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 3.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is , so its order is **TWO**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 4.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is , so its order is **TWO**.

The given differential equation is NOT a polynomial equation in its derivatives. So, its degree is **NOT Defined**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 5.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is, so its order is **TWO**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 6.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is y”’, so its order is **THREE**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative y”’ is two. So, its degree is **TWO**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 7.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is y”’, so its order is **THREE**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative y”’ is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 8.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is y’, so its order is **ONE**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative y’ is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 9.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is y”, so its order is **TWO**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative y” is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 10.**

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is y”, so its order is **TWO**.

The given differential equation is a polynomial equation in its derivatives and the highest power of the derivative y” is one. So, its degree is **ONE**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 11.**

The degree of the differential equation is

(A) 3

(B) 2

(C) 1

(D) not defined

**NCERT Solutions:**

Given differential equation is .

The given differential equation is NOT a polynomial equation in its derivatives. So, its degree is **NOT Defined**.

**NCERT Solutions for Class 12 Maths Differential Equations ****Exercise**** 9.1: Ques No 12.**

The order of the differential equation is

(A) 2

(B) 1

(C) 0

(D) not defined

**NCERT Solutions:**

Given differential equation is .

The highest order derivative present in the given differential equation is , so its order is **TWO**.