If the lines represented by the equation 2 x 2 - p x y + 2 y 2 = 0 are real then the value of ' p ' lies in the interval

Question

Aicharya · Accepted Answer

As we know, a x 2 + 2 h x y + b y 2 = 0 , represents a pair of straight lines when h 2 - a b &#8805; 0 So, 2 x 2 - p x y + 2 y 2 = 0 represent pair of straight lines iff p 2 4 - 4 &#8805; 0 &#8658; &#160; p - 4 p + 4 &#8805; 0 p &#8712; - &#8734; , - 4 &#8746; 4 , &#8734;

If the lines represented by the equation 2 x 2 - p x y + 2 y 2 = 0 are real then the value of ' p '…

Solution

If the lines represented by the equation 2 x 2 - p x y + 2 y 2 = 0 are real then the value of &#39; p &#39;…

Solution

If the lines represented by the equation 2 x 2 - p x y + 2 y 2 = 0 are real then the value of ' p '…