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Find the equation of the line …

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Find the equation of the line through the intersection of lines x + 2y - 3 = 0 and 4x -y + 7= 0 and which is parallel to 5x + 4y - 20 = 0

Posted by Prachi Singh 7 years, 10 months ago

CBSE > Class 11 > Mathematics

1 answers

Tanmaya Nayak 7 years, 10 months ago

1st:: find the point of intersection of lines x+2y-3=0 and 4x-y+7=0 , which is the solution of the lines. (use substitution or elimination method) 2nd:: find the slope of 5x+4y-20=0 (y=mx+c,where m is the slope or coefficient of x) 3rd:: since two lines are to be parallel, slope must be equal. 4th:: Use slope point form to get the equation[m=(y-y') /(x-x') where x'and y' are the solutions in step 1] Hope you got your answer All the best.

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