Math, asked by PragyaTbia, 1 year ago

प्रश्न 1 से 22 तक निम्नलिखित सीमाओं के मान प्राप्त कीजिए : \lim_{x\rightarrow{\frac{\pi}{2}}\dfrac{\tan 2x}{x - \dfrac{\pi}{2}}

Answers

Answered by kaushalinspire
0

Answer:

Step-by-step explanation:

\lim_{x\rightarrow{\frac{\pi}{2}}\dfrac{\tan 2x}{x - \dfrac{\pi}{2}}

x-\frac{\pi}{2} =yरखने पर  जबकि  x → π/2 , y → 0

=\lim_{y\rightarrow{0}}\dfrac{\tan 2(y+\frac{\pi}{2}) }{y}\\\\=\lim_{y\rightarrow{0}}\dfrac{\tan (2y+\pi) }{y}\\\\=\lim_{y\rightarrow{0}}\dfrac{\tan (2y) }{y}\\\\=\lim_{y\rightarrow{0}}2\dfrac{\tan (2y) }{2y}\\\\=2*1\\\\=2

{∵ \lim_{x\rightarrow{0}}\dfrac{\tan (x) }{x}=1}

अतः  इसका  मान  2 होगा।

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