Question

a)√125+2√27-√20+3√12=

 

b)3√20+√32-2√45+√50=

 

c)√12-√75+√3=

 

d)7√2+√50=

 

e)√50-√18

       √200

 

Answer 1

O restante é igual :

d)7√2+√50$7 . \sqrt{2} + \sqrt{50} \\ 7. \sqrt{2} + \sqrt{25.2} \\ 7. \sqrt{2} + \sqrt{25} . \sqrt{2} \\ 7. \sqrt{2} + 5 . \sqrt{2} \\ 12.\sqrt{2}$