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Find |Veca| and |Vecb|, If `(Veca + Vecb).(Veca -vecb) = 8 and |Veca| = 8|Vecb| - CBSE (Science) Class 12 - Mathematics

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Question

Find `|veca| and |vecb|`, if `(veca + vecb).(veca -vecb) = 8 and |veca| = 8|vecb|`

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Solution Find |Veca| and |Vecb|, If `(Veca + Vecb).(Veca -vecb) = 8 and |Veca| = 8|Vecb| Concept: Magnitude and Direction of a Vector.
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