Let the Vectors (2+a+b)i + (a+2b... | JEE Main 2021 | Vector

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_JEE MAIN_2021

_25-July-2021_S1

Question

Let the vectors $(2+a+b) \hat{i}+(a+2 b+c) \hat{j}-(b+c) \hat{k},(1+b) \hat{i}+2 b \hat{j}-b \hat{k}$ and $(2+b) \hat{i}+2 b \hat{j}+(1-b) \hat{k}, a, b, c \in R$ be co-planar. Then which of the following is true?

Select the correct option:

A

2b = a + c

B

3c = a + b

C

a = b + 2c

D

2a = b + c

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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