anyasrivastava anyasrivastava

17-02-2020
Mathematics

contestada

Find the value of the expression:
a
p^2q^2+pq–q^3–p^3 for p=1 and q=−1

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sqdancefan sqdancefan

17-02-2020

Answer:

0

Step-by-step explanation:

Put the numbers where the letters are and do the arithmetic.

(1)^2(-1)^2 +(1)(-1) -(-1)^3 -(1)^3

= 1·1 -1 -(-1) -1

= 1 - 1 + 1 - 1 = 0

The value of the expression is 0.

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