Question

Q.3 find the information given below.find which of the point between the other two.if the points are not collinear,state so.

1) (P,R) = 7 ,d(P,Q)=10 ,d(Q,R) =3​

Answer 1

Answer:

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Given, d(P, R) = 7, d(P, Q) = 10, d(Q, R) = 3 d(P, Q) = 10 …

(i) d(P, R) + d(Q, R) = 7 + 3 = 10 .. .

(ii) ∴ d(P, Q) = d(P, R) + d(Q, R)

…[From (i) and (ii)]

∴ Point R is between the points P and Q

i. e., P – R – Q or Q – R – P.

∴ Points P, R, Q are collinear

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