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If a and b are unit vectors perpendicular to each other, find the value of (a – b).(b – c).

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in Vector algebra by (33.2k points)

If a and b are unit vectors perpendicular to each other, find the value of (a – b).(b – c). 

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1 Answer

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Given a.b = 0 = b.c = c.a

= – |b|2

= – 1.

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