Maths (Im Sorry)
100

A position vector from the origin A is represented by a

A position vector from the origin B is represented by b

What is the vector BA equal to

a-b

200

A square with side lengths of x has a diagonal length of?

xsqrt2

300

d/dx of e^(4x)

4e^(4x)

400

integrate 5x^2+3x+2x^-3 between 4 and 5

138227/1200

500

Sin(431pi/6)

-0.5

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