Mathematics

Solve
$$\displaystyle \int { \sqrt {  { a-x }  }  } dx$$.


SOLUTION
$$a-x=t$$

$$-dx=dt$$

$$=\displaystyle -\int \sqrt t dt$$

$$=-\dfrac{2t^{3/2}}{3}$$

$$=\dfrac{-2}{3}( {a-x})^{3/2}$$
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Subjective Medium Published on 17th 09, 2020
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