show that the line 4y=5x-10 is perpendicular to the line 5y+4x=35.
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Solution:-
Given equations of lines are-
4y = 5x-10
or, y = (5/4)x - (5/2).
5y + 4x = 35
or, y = (-4/5)x + 7. (ii)
Let m and n be the slope of equations i and ii, respectively.
Here, m = 5/4
n= -4/5
therefore, m× n = -1
Hence, the lines are perpendicular.
Step-by-step explanation:
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