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Let u=12(i+j)\vec { u } = \frac { 1 } { \sqrt { 2 } } ( \vec { i } + \vec { j } )

Question 81

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Let u=12(i+j)\vec { u } = \frac { 1 } { \sqrt { 2 } } ( \vec { i } + \vec { j } ) and let w=113(2i+3j)\vec { w } = \frac { 1 } { \sqrt { 13 } } ( 2 \vec { i } + 3 \vec { j } ) .Suppose that ft(1,1)=42f _ { t } ( 1,1 ) = 4 \sqrt { 2 } and ft(1,1)=3f _ { t } ( 1,1 ) = 3 .Find fw(1,1)f _ { \mathfrak { w } } ( 1,1 ) .

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