Question

if p-q-r and d(pq)=7,d(pr)=17 then find qr​

Answer 1

Answer:

8

Step-by-step explanation:

d(P, R) = d(P, Q) + d(Q, R)

d(P, R) = d(P, Q) + d(Q, R) ∴ 10 = 2 + d(Q, R)

d(P, R) = d(P, Q) + d(Q, R) ∴ 10 = 2 + d(Q, R) ∴ d(Q, R) = 8