Question

qual valor de y= √32-√8

Answer 1

32/2
16/2
8/2
4/2
2/2
1

4√2-2√2=2√2

Answer 2

32|2
16|2
  8|2
  4|2
  2|2
   1

√32 = √2².2².2 = 2.2√2 = 4√2

8|2
4|2
2|2
1

√8 = √2².2 = 2√2

Resolvendo :

y = √32 - √8

y = 4√2 - 2√2

y = (4-2)√2

y = 2√2


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