Home
Class 11
MATHS
If x^2+2h x y+y^2=0 represents the equa...

If `x^2+2h x y+y^2=0` represents the equation of the straight lines through the origin which make an angle `alpha` with the straight line `y+x=0` (a)`s e c2alpha=h` `cosalpha` (b)`=sqrt(((1+h))/((2h)))` (c)`2sinalpha` `=sqrt(((1+h))/h)` (d) `cotalpha` `=sqrt(((1+h))/((h-1)))`

Promotional Banner

Similar Questions

Explore conceptually related problems

If x^(2)+2hxy+y^(2)=0 represents the equation of the straight lines through the origin which make an angle alpha with the straight line y+x=0 (a) sec2 alpha=h cos alpha(b)=sqrt(((1+h))/((2h)))(c)2sin alpha=sqrt(((1+h))/(h))(d)cot alpha=sqrt(((1+h))/((h-1)))

6x^(2)+hxy+12y^(2)=0 represents pair of parallel straight lines, if h is

The equation 4x^(2)+hxy+y^(2)=0 represents a pair of coincident lines through origin, if h=

If the equation 2x^2-2hxy+2y^2=0 represents two coincident straight lines passing through the origin , then h is equal to

The equation of one of the straight lines which passes through the point (1,3) and makes an angle tan^(-1)(sqrt2) " with the straight line, " y+1=3sqrt2x is :