Question

Find yhe equation to the line which is perpendicular to the line x/a -x/b = 1 at the point where it meets the x- axis

Answer 1

So, the intercepts are (a,0);(0,−b)

⟹(a−0)2+(0+b)2=(229−−√)2

and y=abx−b⟹ gradient is ab

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