C-05-Q041mediumsingle_mcqx2−6x+15−x2−6x+13=10−8\sqrt{x^2-6x+15}-\sqrt{x^2-6x+13}=\sqrt{10}-\sqrt{8}x2−6x+15−x2−6x+13=10−8 সমাধানে কোন চলক ধরা হয়?ax2−6x+13=yx^2-6x+13=yx2−6x+13=ybx2−6x=yx^2-6x=yx2−6x=ycx−3=yx-3=yx−3=ydx2=yx^2=yx2=y