Question

$\frac{x {}^{2} }{ \sqrt{1 + x {}^{2} }( \sqrt{1 + x {}^{2}} -1) } dx$
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Answer 1

Step-by-step explanation:

Essay on Brain Drain. Brain Drain is defined as emigration or migration of individuals of talents and skilled from developing or under-developed countries to developed ones. ... Brain Drain subjects to a vital threat before a country. This migration results in a great loss to the countries where they are born and educated.

Answer 2

Answer:

Indus civilization, also called Indus valley civilization or Harappan civilization, the earliest known urban culture of the Indian subcontinent. The nuclear dates of the civilization appear to be about 2500–1700 bce, though the southern sites may have lasted later into the 2nd millennium bce.