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Position of Point w.r.t Ellipse | Parametric Form of an Ellipse
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In this lesson the concept of position of a point w.r.t ellipse has been explained. Also auxillary circle and parametric equation and coordinates of ellipse have been explained

Vineet Loomba is teaching live on Unacademy Plus

Vineet Loomba
IITian | Best Online Maths Educator | Highest Overall Watch Time | 8+ Years Experience | Youtube: Maths Wallah | vineetloomba.com

U
Unacademy user
28 th video Last problem I think it's a mistake U have taken wrong value 3rd equation they have given 4 But in augmented matrix u have taken 3 If we solve using 4 I am getting k=5 But in option Real value but other than 5 Plz explain me if i am wrong?
Deepak poonia
a year ago
yeah, I have written it incorrectly in augmented matrix...it should have been 4 there...now when you put it 4 then after these row operations you will get the 3rd row fourth column as zero and not -1. Now, to have unique solution you need rank of A= rank of A|B= no. of variables=3. so to have rank of A as 3 you want a-5 element should not be equal to zero and if it is not equal to zero then there is no significance of 3rd row fourth column element in deciding the rank of A|B matrix that's why this mistake of mine didn't get the wrong answer. correct option-d.
Yuvaraj J S
a year ago
Ok thanks bro But in the options we can eliminate Options d is correct Ok Thanks you
Jm
sir plz suggest any best question bank for all three subjects for jee mains only
Vineet Loomba
9 months ago
Best Question bank is previous year questions jee main
Jm
Jatin mundra
9 months ago
ok sir thankyou
SM
what is auxiliary circle is it in this lectures
SM
sorry sir it is available
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