Question

Спростити вираз:(n+2√n+1):(√n+1)

Answer 1

$\frac{n+2 \sqrt{n} +1}{ \sqrt{n}+1 } = \frac{( \sqrt{n} )^2+2* \sqrt{n}*1+1^2 }{ \sqrt{n}+1 } = \frac{( \sqrt{n}+1 )^2}{ \sqrt{n} +1} =\sqrt{n} +1$

Answer 2

(n+2√n +1)/(√n+1)=(√n+1)²/((√n+1)=√n+1