If y=3x^3-2x and (dx)/(dy) = 3, find (dy)/(dt) when x=-2
1 answer:
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A reciprocal just flips the fraction
1.
2.
3. Before it is flipped it is but it turns into
Hope this helps!
Answer:
Therefore there are 10 ways to walk in xy space from (0,0) to (2,3).
Step-by-step explanation:
To move from (0,0) to (2,3) one has to walk 2 step along x-axis and 3 steps along y-axis.
One can chose 2 steps along x-axis and then 3 steps along y axis
Or,
2 steps along y-axis ,1 step along x-axis , 1 step along y-axis,1 step along x-axis
And so on.
This is a permutation of(2+3) things where 2 and 3 are two types of kinds.
The required permutation is
Therefore there are 10 ways to walk in xy space from (0,0) to (2,3).