Robert J. answered • 04/26/13
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a+b = <2-2, 3+5, 1-3> = <0, 8, -2>
|a+b| = sqrt(0^2+8^2+2^2) = sqrt(68) = 2sqrt(17) <==Answer
Sun K.
asked • 04/26/13Let a=<2, 3, 1> and b=<-2, 5, -3>?
Let a=<2, 3, 1> and b=<-2, 5, -3>. Find the absolute value of a+b.
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