p÷q = (2÷3)^-2 ÷ (2÷5)^-1 find value of (p÷q)^-3
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If p&q = p^2 + q^2 – 2pq, for what value of q is p&q equal to p^2 for all values of p?
A. -2
B. -1
C. 0
D. 1
E. 2
A. -2
B. -1
C. 0
D. 1
E. 2
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