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in Vector Algebra – I by (49.2k points)
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One of the diagonals of parallelogram ABCD with vector(a and b) as adjacent sides is vector(a + b). The other diagonal vector BD is …

(a) vector(a - b)

(b) vector(b - a)

(c) vector(a + b)

(d) vector(a + b)/2 

1 Answer

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Best answer

(b) vector(b - a)

Given

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