5Q Determine if the given vectors are orthogonal, parallel or 1 i. a=<-5,3,7>, b=<6,-8,2> ii. a=<4,6>, b=<-3,2>> iii. a=i+2j +5k, b= 3i +4j

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A: ∫1ax+b dx =1alnax+b+C.

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