If the points (p,q),(m,n)and (p-m,q-n) are …

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If the points (p,q),(m,n)and (p-m,q-n) are collinear .show that pn=qm

Posted by Android Aarav 1 year, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Puja Rani 1 year, 2 months ago

Given points are collinear. Therefore, [p×n+m(q−n)+(p−m)q]−[m×q+(p−m)n+p(q−n)]=0 (pn+qm−mn+pq−mq)−(mq+pn−mn+pq−pn)=0 pn−mq=0 pn=qm

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