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Preeti Dabral 1 year, 11 months ago
The title of the chapter ‘The Birth’ is perfect. The theme of the story is about a young doctor, Andrew dealing with a critical birth case. The baby is born lifeless. He takes certain decisions that prove quite successful. Not only he succeeds in saving the mother who is in critical condition after the delivery, but also succeeds in reviving the child. So the baby born lifeless is born again owing to the efforts of the dedicated doctor. Hence the title is perfectly appropriate and justified.
Posted by Sobby Donson 1 year, 11 months ago
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Preeti Dabral 1 year, 11 months ago
A country is one of the political areas which the world is divided into, covering a particular area of land.
Posted by Op Ankit 1 year, 11 months ago
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Preeti Dabral 1 year, 11 months ago
{tex}\begin{aligned} & \text { Let } y=f(x)=\operatorname{cosec} x \\ & \therefore f(x+h)=\operatorname{cosec}(x+h) \\ & \therefore \frac{d y}{d t}=\lim _{h \rightarrow 0} \frac{f(x+h)-f(x)}{h} \\ & =\lim _{h \rightarrow 0} \frac{\operatorname{cosec}(x+h)-\operatorname{cosec} x}{h} \\ & =\lim _{h \rightarrow 0} \frac{1}{h}\left[\frac{1}{\sin (x+h)}-\frac{1}{\sin x}\right] \\ & =\lim _{h \rightarrow 0} \frac{\sin x-\sin (x+h)}{h \cdot \sin x \cdot \sin (x+h)} \\ & =\lim _{h \rightarrow 0} \frac{2 \cos \left(\frac{2 x+h}{2}\right) \sin \left(-\frac{h}{2}\right)}{h \cdot \sin x \sin (x+h)} \\ & =-\lim _{h \rightarrow 0} \frac{\cos \left(x+\frac{h}{h}\right)}{\sin x \cdot \sin (u+h)} \cdot \lim _{h \rightarrow 0} \frac{\sin \frac{h}{2}}{h / 2} \\ & =-\frac{1 \cos x}{\sin x \cdot \sin x} \cdot \lim _{z \rightarrow 0} \frac{\sin z}{z} \\ & {\left[z=\frac{h}{2} \text {; Then, } z \rightarrow 0 \text { when } \Rightarrow h \rightarrow 0\right]} \\ & =\frac{-\cos x}{\sin x \cdot \sin x} \cdot 1 \\ & =-\frac{\cos x}{\sin x} \cdot \frac{1}{\sin x} \\ & =-\operatorname{cosec} x . \cot x \\ & \therefore \frac{d y}{d x}=-1 \operatorname{csec} x \cdot \cot x \\ & \end{aligned}{/tex}
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Preeti Dabral 1 year, 11 months ago
शीतयुद्ध की शुरुआत : द्वितीय विश्व युद्ध की समाप्ति के साथ ही शीत युद्ध की शुरूआत हुई। शीतयुद्ध का कारण : (i) अमरीका और सोवियत संघ का महाशक्ति बनने की होड़ में एक-दूसरे के मुकाबले खड़ा होना शीतयुद्ध का कारण बना। (ii) परमाणु बम से होने वाले विध्वंस की मार झेलना किसी भी राष्ट्र के बूते की बात नहीं।
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Preeti Dabral 1 year, 11 months ago
Primary activities are those that rely directly on the climate, since they refer to the use of the earth's resources such as land, water, plants, minerals, etc
Posted by Ayush Soni 1 year, 11 months ago
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Preeti Dabral 1 year, 11 months ago
Hydrogenation: Addition of hydrogen to alkenes and alkenes in the presence of finely divided catalysts like Pt, Pd or Ni to form alkanes is known as hydrogenation.
Example:
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Preeti Dabral 1 year, 11 months ago
Centripetal force : It is the force on an object on a circular path that keeps the object moving on the path. It is always directed towards the center and its magnitude is constant, based on the mass of the object, its tangential velocity, and the distance of the object (radius) from the center of the circular path.
Posted by Anu Gupta 1 year, 11 months ago
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