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Let  be a right-angled isosceles triangle, right angled at . If the equation of the line  is , then the equation representing the pair of lines  and  is

a)

b)

c)

d)



Question ID - 52949 | SaraNextGen Top Answer

Let  be a right-angled isosceles triangle, right angled at . If the equation of the line  is , then the equation representing the pair of lines  and  is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Let  be the slope of . Then,

  or 

 or

Hence, equation of  is

Or 

And equation of  is

Hence, combined equation of  and  is

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