Question

Zad.1 Wylacz czynnik przed znak pierwiastka
a) √56
b) √96
c) √108
d) √220
e) √120
f) √128
g) √242
h) ∛80
i) ∛54
j) ∛270
k ∛5000

Answer 1

A) √56 = √4 × 14 = 2√14
b) √96 = √16 × 6 = 4√6
c) √108 = √9 × 3 × 4 = 6√3
d) √220 = √4 × 55 = 2√55
e) √120 = √4 × 3 × 10 = 2√30
f) √128 = √ 16 × 4 × 2 = 8√2
g) √242 = √121 × 2 = 11√2
h) ∛80 = ∛8 × 10 = 2∛10
i) ∛54 = ∛27 × 2 = 3∛2
j) ∛270 = ∛ 27 × 10 = 3∛10
k ∛5000 = ∛1000 × 5 = 10∛5