Question

Reduceti termenii asemenea :
$5 \sqrt{3} + 2 - 3 \sqrt{7 } + 8 \sqrt{7} - \sqrt{3 - 2} =$

Answer 1

5√3 + 2 - 3√7 + 8√7 - √(3-2) = 5 ( √3 + √7 ) + 1

= 5√3 + 5√7 + 2 - √1 =

= 5 ( √3 + √7 ) + 2 - 1 =

= 5 ( √3 + √7 ) + 1