If the points with position vectors 60i ...

If the points with position vectors 60i + 3j, 40i - 8j and ai - 52j are collinear, then a =

A

-40

B

-20

C

20

D

40

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The correct Answer is:

A

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DIPTI PUBLICATION ( AP EAMET)-ADDITION OF VECTORS -EXERCISE 1

If three points A, B and C have position vectors (1, x, 3), (3, 4, 7) ...
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If the points whose position vectors are 2i + j + k, 6i - j + 2k and 1...
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If the points with position vectors 60i + 3j, 40i - 8j and ai - 52j ar...
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if a = 3i + 2j + k, b = 6i + mj + nk and a, b are collinear, then m, n...
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The vectors a and b are noncollinear, If a + (x + 1) b and (2x - 3) b ...
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If a, b are noncollinear vectors and A = (x + 4y) a + (2x + y + 1)b, B...
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Let a, b and c be three non zero vectors, no two of which are collinea...
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Three non-zero non-collinear vectors a, b, c are such that a + 3b is c...
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If a, b and c are non-coplanar vectors and if d is such that d = (1)/(...
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If the vectors 2i + 3j, 5i + 6j, 8i + lambda j have their initial poin...
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The length of the line segment joining the points 2i - 2j + 3k, 5i + 2...
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If the position vectors of A and B are 3i - 2j + k and 2i + 4j - 3k th...
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The distance between the points (5, 3, 1), (3, 2, -1) is
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The distance between the points i + 6j + 7k, -3i + 4j + 3k is
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If a = 2i + 5j + 6k, b = -2i + 3j + 2k then the magnitude of a - b is
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If a = 3i - 2j + k, b = 2i - 4j - 3k, c = -i + 2j + 2k then a + b + c ...
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If a = i - j + 2k, b = 2i + 3j + k, c = i - k, then magnitude of a + 2...
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If a = i + j + k, b = 2i + 3j, c = 3i + 5j - 3k and d = k + j, then th...
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If the position vectors of A, B are 2i - 9j - 4k, 6i - 3j + 8k then th...
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If the position vectors of A = (2, 3, 5), B = (1, 1, 7) then the unit ...
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