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If the points A(x,y) , B(a,0) …

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If the points A(x,y) , B(a,0) and C(0,b) are collinear ,prove that x/a + y/b = 1

Posted by Ritik Kumar 7 years ago

CBSE > Class 10 > Mathematics

3 answers

Ram Kushwah 7 years ago

The area of triangle ABC=0

1/2(x(0-b)+a(b-y) +0(y-0))=0

0r -bx+ ab-ay +0=0

bx +by=ab

both side divide by ab

bx/ab + by/ab = ab/ab

x/a +y/b=1

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Shubhendra Singh ? 7 years ago

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CBSE > Class 10 > Mathematics