Question

if a line joining (a-2,4) and (5,9) is a vertical line then value of a???

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Answer 1

$\displaystyle\huge\red{\underline{\underline{Solution}}}$

GIVEN

A line joining ( a-2 , 4 ) and ( 5 , 9 ) is a vertical line

TO DETERMINE

The value of a

CALCULATION

The given two points are ( a - 2,4 ) and (5 , 9)

It is given that the line joining ( a - 2 , 4 ) and

( 5 , 9 ) is a vertical line

Since the line obtained is a vertical line

So it is parallel to Y axis

Hence the Abscissa of the given two points are same

$\therefore \: \sf{a - 2 = 5 \: }$

$\implies \: \sf{a = 7 \: }$

RESULT

The required value of a is 7

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