Va rog sa ma ajutati dau coronaa
![Va Rog Sa Ma Ajutati Dau Coronaa class=](https://ro-static.z-dn.net/files/daf/5f6a71f79620ff7cd8712c9b57c0feef.png)
Răspuns:
Explicație pas cu pas:
a) √2⁶(5²-3²) =
= √2⁶•(5²-3²) =
= √2⁶•(25-3²) =
= √2⁶•(25-9) =
= √2⁶•16 =
= √64•16 =
= √1024 = √32² = 32
b) √5²•2⁴+5²•3² =
= √5²•(2⁴+3²) =
= √5²•(16+3²) =
= √5²•(16+9) =
= √5²•25 =
= √25•25 =
= √625 = √25² = 25
e) √15²+8² =
= √225+8² =
= √225+64 =
= √289 = √17² = 17
f) √16²+12²+15² =
= √256+12²+15² =
= √256+144+15² =
= √256+144+225 =
= √400+225 =
= √625 = √25² = 25