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Is the condition m1*m2 =-1 always valid where m1,m2 are the slopes of perpendicular lines?
because if we take the case of x-axis and y-axis (infinity *0 is never equal to -1)
Dear tarun,
That is a different thing axis are the basis on which whole geometry is based...
m1m2=-1 is always valid...
We are all IITians and here to help you in your IIT JEE preparation. All the best. If you like this answer please approve it.... win exciting gifts by answering the questions on Discussion Forum Sagar Singh B.Tech IIT Delhi
We are all IITians and here to help you in your IIT JEE preparation. All the best.
If you like this answer please approve it....
win exciting gifts by answering the questions on Discussion Forum
Sagar Singh
B.Tech IIT Delhi
It is always vailed. x-axis and y-axis are to determine the directions and cartisions points. if we talk any line being perpendicular to x-axis like x=2 then what will be its slop that doen't make any sense thus i think you wold have understood the concept.
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