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whats the equation of plane passing thru  point (1,1,1) containing line r‾=(-3i+j+5k)+λ(-3i-j-5k)? also prove that it contains line r‾=(-i+2j+5k)+ μ(i-2j-5k).

3 years ago

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required plane containing line u r given so by its direction u find normal of plane and then r.n=a ...u r done...


 


pres thnx if i helped u...

3 years ago

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Find the conditions on a and b such that line ax +by-1=0 intercepted bw lines ax+y+1=0 and x+by=0 subtend right angle at origin.
 
 
Find the intersection of ax+by=1 with 2 lines, you will get two points, (1/(a-1) , -1/[b.(a-1)]) and (-(b+1)/[a.(b-1)] , 2/(b-1)), To prove two point say A(x1,y1) and B(x2,y2) subtend angle ...
 
Akshay 6 months ago
Is Dr. kc sinha good for coordinate geometry for preparing iit jee ? from your point of view which book you thought best for coordinate geometry?
 
 
His book is really good to build concepts. However, to practice more problems similar to what would be asked in IIT JEE, you need to take help from study material of reputed coachings like...
 
Nishant Sinha 3 months ago
 
in my view sl loney coordinate geometry is the best book for coordinate geometry as it covers all topic required for iitjjee and many previous year questions have come directly from this...
 
Himanshu 3 months ago
 
in my opinion you must try arihant intead of k.c.sinha... as it has proved to be one of the best books in market since many years
 
satyam 3 months ago
what is the relation between incentre and circumcentre of any triangle
 
 
Dear Student. The distance between the incenter andcircumcenteris sqrt(R(R-2r)) , where R is thecircumradiusand r is theinradius, a result known as theEuler triangle formula. Thanks.
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Vijay Mukati 7 days ago
 
The orthocenter, the centroid and the circumcenter of a non-equilateral triangle are aligned; that is to say, they belong to the same straight line, called line of Euler.
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Nishant Vora 7 days ago
Can we divide two vectors .....,....................... .....,....................... .... ... ... .... .... .... ............. ....
 
 
No! We cannot divide two vectors, when the mathematics of vectors was developed there has been no formal defination of division of vectors
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Riddhish Bhalodia 8 days ago
 
No! Actually not We cannot divide two vectors, when the mathematics of vectors was developed there has been no formal defination of division of vectors
 
Ankit Jaiswal 8 days ago
Differentiate x arcsin (x) w.r.t arcsin(x)
 
 
HInt: Try to assume arcsin(x) = z and then try to differenciate it. Also please remember that z is also the function of x. Thanks.
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Vijay Mukati 6 months ago
if x/a +y/b = 2 touches the curve x^n/a^n + y^n/b^n = 2 at the point (m,n) the m and n value will be
 
 
the two curve touches each other and hence the gradient at the point (m,n) is same for both hence differentiating the second curve we get at x =m and y = n, dy/dx = -b/a (gradient of 1 st...
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Riddhish Bhalodia 8 days ago
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