# Question #e9697

##### 3 Answers

Jul 20, 2017

#### Explanation:

Jul 20, 2017

0

#### Explanation:

**Some basics**

1. Derivative of constant is zero

2. Derivartive of '

So solving,

so,

=1

Now diffrentiation of 1 is zero

Jul 22, 2017

#### Explanation:

Let,

Now, we know that,

Hence,