Question

If p-qr and d(P,r)=2,d(p if P minus Q R and D (PQ) over is equal to 2 d p q p r is equal to 10 DP pqr is equal to 2?

Answer 1

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If P^2-QR=10, Q^2+PR=10, R^2+PQ=10 and R does not equal to Q : Problem Solving (PS) ... Start by subtracting equation 2 from equation 3. ... P^2+Q^2+R^2-QR+P(Q+R)=30.