1.

If bar(a)=bar(i)+bar(j)+bar(k), bar(b)=2bar(i)+3bar(j), bar(c)=3bar(i)+5bar(j)-2bar(k) and bar(d)=bar(k)-bar(j), then the ratio of moduli of bar(b)-bar(a) and bar(d)-bar(c) is

Answer»

`2:3`
`1:3`
`3:1`
`4:1`

ANSWER :B


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