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Equation of Cd - Mathematics

Sum

Find Equation of CD 

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Solution

AB and CD are Perpendicular to each other. 

Thus,Product of their slops=-1

`"Slope of AB" xx "Slop of CD"=-1` 

⇒ Slope of CD=8

Now, from graph we have coordinates of `D=(-3,0)`

∴ Equation of line CD is given by

`y-0=8(x-3)`

`y=8x +24`

Concept: General Equation of a Line
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APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 14 Equation of a Line
Exercise 14 (E) | Q 31.2 | Page 204
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