Find the unit tangent vector, unit normal vector and curvature of the given vector- valued function. r(t) = (t, 3 cos t, 3 sin t)

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Q: 1. y = - V2x +1 2. y = (x – 1)3 + 2 3. y =-1 2x 4. y? = 6– x 5. y = 1- |x|

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A: Consider the given function and differentiate to get the slope of the tangent.

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Q: When multiplying a scalar and a vector: |ha|=|ā| when A |xa|=|||ā| when > + 0 and + 0.

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Vector Arithmetic

Vectors are those objects which have a magnitude along with the direction. In vector arithmetic, we will see how arithmetic operators like addition and multiplication are used on any two vectors. Arithmetic in basic means dealing with numbers. Here, magnitude means the length or the size of an object. The notation used is the arrow over the head of the vector indicating its direction.

Vector Calculus

Vector calculus is an important branch of mathematics and it relates two important branches of mathematics namely vector and calculus.