Find the value of the expression:

p^2q^2+pq–q^3–p^3 for p=1 and q=−1

0

Step-by-step explanation:

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

 = 1·1 -1 -(-1) -1

 = 1 - 1 + 1 - 1 = 0

757764

step-by-step explanation:

de77737dd

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: