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 x^3-2x^2y^2+5x+y-5=0a n dy(1)=1,t h e n

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

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 the complex numbers xa n dy satisfy x^3-y^3=98 ia n dx-y=7i ,t h e nx y=a+i b ,w h e r ea ,b , in Rdot The value of (a+b)//3 equals ______.

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

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

Show that f(x)={(x-|x|)/(2),2 w h e nx!=0i sd i s con t inuou sa tx=0dotw h e nx=0

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