If the roots of the equation (a-b)x^2 +(b-c)x+(c-a) =0 then prove that b+c=2a Continue reading “If the roots of the equation (a-b)x^2 +(b-c)x+(c-a) =0 then prove that b+c=2a”
The area of a circle inscribed in an equilateral triangle is 154 sq. cm. Find the perimeter of the triangle Continue reading “The area of a circle inscribed in an equilateral triangle is 154 sq. cm. Find the perimeter of the triangle”
If (a,b) is mid point of line segment joining the points A(10,-6), B(k,4) and a-2b =18,then find the value of k and the distance AB Continue reading “If (a,b) is mid point of line segment joining the points A(10,-6), B(k,4) and a-2b =18,then find the value of k and the distance AB”
