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In the figure, a vectors x satisfies the...

In the figure, a vectors x satisfies the equation x+w=v. then, x is equal to

A

`2a+b+c`

B

`a+2b+c`

C

`a+b+2c`

D

`a+b+c`

Text Solution

Verified by Experts

The correct Answer is:
B
`v=b+c`
w=b+a
we have, `x=v+w=a+2b+c `
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ARIHANT MATHS ENGLISH-VECTOR ALGEBRA-Exercise (Single Option Correct Type Questions)
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  7. if A,B,C,D and E are five coplanar points, then vec(DA) + vec( DB) + v...

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  8. If the vectors veca and vecb are linearly independent satisfying (sqrt...

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  10. A line passes through the points whose position vectors are hati+hatj-...

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  12. If P and Q are the middle points of the sides BC and CD of the paralle...

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  13. If the figure formed by the four points hati+hatj-hatk,2hati+3hatj,3ha...

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  14. A and B are two points. The position vector of A is 6b-2a. A point P ...

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  15. If three points A,B and C are collinear, whose position vectors are ha...

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  16. If in a triangle AB=a,AC=b and D,E are the mid-points of AB and AC res...

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  17. The sides of a parallelogram are 2hati +4hatj -5hatk and hati + 2hatj ...

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  18. If A,B and C are the vertices of a triangle with position vectors vec(...

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  19. Consider the regular hexagon ABCDEF with centre at O (origin). Q. AD...

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