# What is the unit vector that is normal to the plane containing 3i+7j-2k and 8i+2j+9k?

The unit vector normal to the plane is

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The unit vector normal to the plane containing 3i+7j-2k and 8i+2j+9k is 0.28i - 0.64j + 0.72k.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- What is the unit vector that is orthogonal to the plane containing # <0, 4, 4> # and # <1, 1, 1> #?
- If #V=1.5*t+0.0080*t^2# has the units millions of cubic feet per month, how would you rewrite the equation if you wanted the result in cubic feet per second?
- What is the norm of #< -3, -1 , 8 >#?
- What is the unit vector that is orthogonal to the plane containing # (-i + j + k) # and # ( i - j + k) #?
- What is relative speed between two objects?

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