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Evaluate for x=2 and y=3: x^2y^-3/x^-1y

Evaluate For X2 And Y3 X2y3x1y class=

Sagot :

Altavistardidn

Answer:

8/81

Step-by-step explanation:

It's most efficient to simplify the quotient algebraically before inserting the values of the variables x and y.  

The given expression reduces to x³ / y^4.

Substituting 2 for x and 3 for y, we get:

 (2)³           8

--------- = ---------- (Agrees with first given possible answer)

 (3)^4         81

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