Question

Calcule

a) 6. √7
b)√3. √5
c) 2+3√11
d)(4. √3)²
e) √20²
f) √3. √2
g) (8. √2)²
h) √7. 5
i)√11²​

Answer 1

Resposta:

a) 6.√7 = √6².7 = √36.7 = √252

b) √3.√5 = √3.5 = √15

c) 2+3√11 = 2+√3².11 = 2+√9.11 = 2+√99

d) (4.√3)² = 4².3 = 16.3 = 48

e) √20² = 20

f) √3.√2 = √3.2 = √6

g) (8.√2)² = 8².2 = 64.2 = 128

h) √7. 5 = √35

i) √11² = √121