Wyłącz czynnik przed znak pierwiastka.
a.√32=√.... x√2
b.√12=√...x3(pod perwiastkiem)x√3
c.√175=√....x7(pod perwiastkiem)x√7
d.√75=√...x...=....x√3
e.√63=√...x...=...x√...
f.√45=√...x...=..x√...
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Wyłącz czynnik przed znak pierwiastka.
a.√32=√(16x2) = √16 x √2 = 4 x √2 = 4√2
b.√12=√(4x3) = √4 x √3 = 2√3
c.√175=√(25 * 7) = √25 x √7 = 5 √7
d.√75=√(25 x 3) = √25 x √3 = 5√3
e.√63=√(9 x 7) = √9 x √7 = 3 x √7 = 3√7
f.√45=√(9 * 5) = √9 x √5 = 3 x √5 = 3√5