intsqrt(2x+3)dx এর মান কত?
সঠিক উত্তরঃ
A.
1/3(2x+3)3/2+c
Explanation: 
Another Explanation (5):
সমাধান: 🤔
ধরি, \(2x+3 = u\)
তাহলে, \(2dx = du\) ⟹ \(dx = \frac{du}{2}\)
এখন, \(\int \sqrt{2x+3} dx = \int \sqrt{u} \frac{du}{2}\)
\( = \frac{1}{2} \int u^{\frac{1}{2}} du\)
\( = \frac{1}{2} \cdot \frac{u^{\frac{1}{2}+1}}{\frac{1}{2}+1} + c\) 🥳
\( = \frac{1}{2} \cdot \frac{u^{\frac{3}{2}}}{\frac{3}{2}} + c\)
\( = \frac{1}{2} \cdot \frac{2}{3} u^{\frac{3}{2}} + c\)
\( = \frac{1}{3} u^{\frac{3}{2}} + c\)
\( = \frac{1}{3} (2x+3)^{\frac{3}{2}} + c\) 🤩
সুতরাং, \(\int \sqrt{2x+3} dx = \frac{1}{3} (2x+3)^{\frac{3}{2}} + c\) 💖