Question

solve the problem 7

18 question should be answered
Find its derivative from first principle ​

Answer 1

Answer:

HOPE THE ATTACHMENT HELPS YOU

Answer 2

Aɴꜱᴡᴇʀ

$\large \orange{ \tt \sqrt{ \frac{1}{ \cos(x) } } }$

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Gɪᴠᴇɴ

$\sqrt{ \sec(x) }$

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Sᴛᴇᴘꜱ

$\large \tt \sec = \frac{hypotenuse \: side}{adjacent \: side} \\ \\ \large \tt{}that \: is \frac{ 1 }{cos} \\ \\ \large \tt{} \pink{\leadsto \sqrt{ \frac{1}{ \cos(x) } } }$

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$\huge{\mathfrak{\purple{hope\; it \;helps}}}$