ECAT Mathematics Chapter 23 online mcq test with answers for chapter 23 (Conic Section)

ECAT Mathematics Chapter 23 Pre Engineering Online Test

Sr. #	Questions	Answers Choice
1	If u = xi + yj, then\|u\|	x<sup>2</sup> + y<sup>2</sup> (x<sup>2</sup> +y<sup>2</sup>)<sup>2</sup> x<sup>2</sup>-y<sup>2</sup> √(x<sup>2</sup>+y<sup>2</sup>)
2	If a,b = 0 then	a \|b a\|\|b a = b None