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1.how to find orthocentre of a triangle using vectors?2.What is the method for finding a unit vector parallel to the sum of given two vectors?Kindly solve the questions of the attachment also

1.how to find orthocentre of a triangle using vectors?2.What is the method for finding a unit vector parallel to the sum of given two vectors?Kindly solve the questions of the attachment also

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Grade:12th pass

1 Answers

Chirag Arora
48 Points
6 years ago
by using position vectors of the triangle find equation any 2 sides of the triangle . now on each side drp a perpendicular from the opposite vertex and hence get the foot of perpendicular then find the equation of that perpendicular as u have got 2 points (vertex and foot of perpendicular). do the same for 2 sides and then u will get 2 equations then find the intersection point of those lines and it would be the orthocenter..
for unit vector
find the vector which is equal to the sum of given 2 vectors by analytical method and then divide the vector by its magnitude..
thanks...

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