Vector Algebra Part 2

Section: Mathematics

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Question : 78 of 100

Marks: +1, -0

Let the vectors(2+a+b)

^

i

+(a+2b+c)

^

j

−(b+c)

^

k

, (1+b)

^

i

+2b−b

^

k

and (2+b)

^

i

+2b

^

j

+(1−b)

^

k

‌‌a,b,c,∈R be co-planar. Then which of the following is true?

[25 Jul 2021 Shift 1]

2b=a+c
3c=a+b
a=b+2c
2a=b+c

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