Hindi, asked by imunmishra1, 1 year ago

के किस मान के लिए रेखा 2x + ky+7-0 और
27x-18y+25-0 एक-दूसरे पर लम्बवत है?

Answers

Answered by anuragkumar1869

0

two two lines are said to be perpendicular if the product of their slopes is equals to minus 1

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