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Question: Why is this result from student.vectorcalculus.lineint different from the textbook?

Question:Why is this result from student.vectorcalculus.lineint different from the textbook?

jamesson 10 Maple 2018
June 04 2018
1

Larson 6th edition gives the following solution; 

However, LineInt(VectorField(`<,>`(x, y)), Path(`<,>`(4*t, 3*t), t = 0 .. 1))

returns 25/2 and 

LineInt(VectorField(`<,>`(x, y)), Path(`<,>`(4*t, 3*t), t = 0 .. 1), output = integral)

returns

Int(25*t, t = 0 .. 1)

Why are the solutions different?

lineInt.mw

 
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