EXAMPLE 14 Sum and Difference Together Consider vectors A and B having equal magnitude of 5 units and are inclined each other by

Question

EXAMPLE 14 Sum and Difference Together Consider vectors A and B having equal magnitude of 5 units and are inclined each other by 60 Find the magnitude of sum and difference of these vectors Sol Given A 5 units B 5 units 0 60 A B and A B B R A B A B B 60 120 A R A B Dot Produ Terms of It is defined as and the magnit direction of fir If then a b a a

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