Solve
Question:

Solve $(3-\sqrt{11})(3+\sqrt{11})$

 

Solution:

$(3-\sqrt{11})(3+\sqrt{11})$

$=\left(3^{2}-(\sqrt{11})^{2}\right)$

$=9-11$

$=-2$

 

Administrator

Leave a comment

Please enter comment.
Please enter your name.