[" 21.The area of the parallelogram repr...

[" 21.The area of the parallelogram represented by the "],[" vectors "A=2hat i+3vec j" and "B=i+4j" is "],[[" (a) "14" units "," (b) "7.5" units "(c)," 10unirs "," (d) "5" unlo "," directi "]]

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