3(x - 1)² + 4y² = 12 সমীকরনটি কী বর্ণনা করে? 

If the equation $ax^{2}-6xy+y^{2} ; + 2gx+2fy+c=0$ represents a pair of line whose slopes are $m$ and $m^{2}$, then sum of all possible values of $a$ ; is-

Find the equation of the circle whose centre is the point of intersection of the lines $2x-3y+4=0$ and $3x+4y-5=0$ and passes through the origin.

x² - y² = 0 এর জ্যামিতিক রূপ কী?