Question

class 11...limits and derivatives ,..please solve
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Answer 1

Step-by-step explanation:

$\displaystyle\lim_{x \to0} \dfrac{ \tan(bx) }{x}$

$\displaystyle = b\lim_{x \to0} \dfrac{ \tan(bx) }{bx}$

$\displaystyle = b\lim_{bx \to0} \dfrac{ \tan(bx) }{bx}$

$\displaystyle = b \cdot1$

$\displaystyle = b$