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The combined equation of the lines  is  and that of the lines is . If the angle between  and  be , then the angle between  and  will be

a)

 

b)

c)

d)



Question ID - 53546 | SaraNextGen Top Answer

The combined equation of the lines  is  and that of the lines is . If the angle between  and  be , then the angle between  and  will be

a)

 

b)

c)

d)

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

(d)

The combined equation of bisectors of angles between the lines of the first pair is

As these equations are the same, the two pairs are equally inclined to each other

127 votes


127