Question

resolva as operações
a)3✓7-5✓7
b)11✓11+2✓15-5✓11-✓15
c)8✓7×10✓12
d)32✓12×35✓71​

Answer 1

Resposta:

Explicação passo-a-passo:

a)

= 3✓7-5✓7

= - 2√7

b)

= 11✓11+2✓15-5✓11-✓15

= 11√11 - 5√11 + 2√15 - 1√15

= 6√11 - √15

c)

= 8✓7×10✓12

= 80.√7.√12

= 80.√7.√4.√3

= 80.2.√21

= 160√21

d)

= 32✓12×35✓71​

= 1120.√4.√3.√71

= 1120.2.√213

= 2240√213