If `x=5a n dy=-2t h e nx-2y=9.` The contrapositive of this statement is A.If `x-2y=9t h e nx=5a n dy=-2` B. If `x-2y!=9t h e nx!=5a n dy!=-2` C. If `x-2y!=9t h e nx!=5ory!=-2` D. If `x-2y!=9t h e ne i t h e rx!=5a n dy!=-2`

If [1 4 2 0]=[x y^2z0],y<0t h e nx-y+z=

If \ ^n C_x=\ \ ^n C_y\ a n d\ x!=y ,\ t h e n\ x+y=ndot

E v a l u a t e\ (3. 2 x^6y^3)xx(2. 1 x^2y^2)w h e n\ x=1\ a n d\ y=0. 5

Find the area bounded by the curve y=sinxb e t w e e nx=0a n dx=2pidot

If x=e^y+e^((y+ tooo)) , where x >0,t h e n (dy)/(dx)

If x y+y^2=tanx+y ,t h e nfin d(dy)/(dx)dot

If x+y=3e^2t h e d/(dx)(x^y)=0forx= e^2 b. e^e c. e d. 2e^2

If t a n y=(2^x)/(1+2^(2x+1)),t h e n(dy)/(dx) at x=0 is

Let (x , y) be such that sin^(-1)(a x)+cos^(-1)(y)+cos^(-1)(b x y)=pi/2dot Match the statements in column I with statements in column II Ifa=1a n db=0,t h e n(x , y) , (p) lies on the circle x^2+y^2=1 Ifa=1a n db=1,t h e n(x , y) , (q) l i e son(x^2-1)(y^2-1)=0 Ifa=1a n db=2,t h e n(x , y) , (r) lies on y=x Ifa=2a n db=2,t h e n(x , y) , (s) lies on (4x^2-1)(y^2-1)=0

x y=(x+y)6na n d(dy)/(dx)=y/x t h e nn= 1 b. 2 c. 3 d. 4