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1. Find the derivative of following functions from first principle:
(i)
(ii)
(iii)
(iv)
Ans. (i)Given:
then
= 
= 
= 
(ii)Given:
then
= 
= 
= 
(iii)Given:
then
= 
= 
= 
(iv)Given:
then
= 
= 
= 
Find the derivative of the following functions (it is to be understood that 
and 
are fixed non-zero constants and 
and 
are integers).
2.
Ans. Given:
= 1
3.
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= 
= 
= 
4.
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= 
5.
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= 
= 
6.
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= 
= 
= 
7.
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= 
8.
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9.
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10.
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= 
11.
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= 
12.
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= 
= 
13.
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14.
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= 
15.
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16.
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= 
= 
= 
17.
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19.
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= 
20.
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= 
21.
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= 
= 
22.
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23.
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= 
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25.
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30.
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