с (5;2),d (-3;3),е ( √13;4), g (√21;2)
|vector{b}|=sqrt{5^2+1^2)=sqrt{26}
|vector{b}|=sqrt{5^2+2^2)=[b]sqrt{29}[/b]
|vector{d}|=sqrt{(-3)^2+3^2)=sqrt{18}
|vector{e}|=sqrt{(sqrt(13))^2+4^2)=[b]sqrt{29}[/b]
|vector{e}|=sqrt{(sqrt(21))^2+2^2)=sqrt{25}=5
О т в е т. vector{b} и vector{e}