Question

Resolva as expressões com radicais 

 

a)√49+√16=

b)-5√9+2√169=

c)√18+2√50=

d)3√5+√5-6√5=

 

Answer 1

a)√49+√16=
7+4 =
11

b)-5√9+2√169=
-5 . 3 + 2. 13 = 
-15 + 16 = 
1

c)√18+2√50=
3√2 + 10√2
13√2

d)3√5+√5-6√5=
4√5 - 6√5 = 
-2√5

Answer 2

a)7+16=23
b)-5.3+2.13=-15+26=11