Find the angle between the straight lines y-√3x-5=0 and √3y-x+6=0. [n c e r t ]

   

 

Find the equation of the line that is parallel to 2x+5y=7 and passing through the mid point of the line joining (2,7) and (-4,1).[ncert]

 

Sum of first n terms of a GP and sum of infinite GP series.[10th & 11th]

 

Linear and non linear integral equations. [ MSc mathematics]

Find the equation of a circle passing through the points (4,1) and (6,5) and whose center is on the line 4x+y=16. (ncert)

Solve 5<=|2x+1|<=7?