A curve with equation of the form `y=a x^4+b x^3+c x+d` has zero gradient at the point (0, 1) and also touches the x-axis at the point `(-1,0)` then `a=3` (b) `b=4` `c+d=1` for `x<-1,` the curve has a negative gradient

A curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gradient at the point (0,1) and also touches the x-axis at the point (-1,0) then a=3 (b) b=4c+d=1 for x<-1, the curve has a negative gradient

A curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gradient at the point (0,1) and also touches the x -axis at the point (-1,0) then a=3 b.b=4 c.c+d=1 d.for x<-1, the curve has a negative gradient

A curve with equation of the form y=a x^4+b x^3+c x+d has zero gradient at the point (0,1) and also touches the x- axis at the point (-1,0) then the value of x for which the curve has a negative gradient are:

A curve with equation of the form y=a x^4+b x^3+c x+d has zero gradient at the point (0,1) and also touches the x- axis at the point (-1,0) then the value of x for which the curve has a negative gradient are: xgeq-1 b. x<1 c. x<-1 d. -1lt=xlt=1

A curve with equation of the form y=ax^(4)+bx^(3)+cx+d has zero gradient at the point (0,1) and also touches the x- axis at the point (-1,0) then the value of x for which the curve has a negative gradient are: a.x>=-1 b.x<1 c.x<-1 d.-1<=x<=1

If the line x+y=0 touches the curve y=x^(2)+bx+c at the point x=-2 , then : (b,c)-=

Let the parabolas y=x(c-x) and y=x^(2)+ax+b touch each other at the point (1,0). Then a+b+c=0a+b=2b-c=1(d)a+c=-2

The equation of the tangent to the curve y=sec x at the point (0,1) is (a) y=0 (b) x=0 (c) y=1 (d) x=1

If a curve y =a sqrtx+bx passes through point (1,2) and the area bounded by curve, line x=4 and x-axis is 8, then : (a) a=3 (b) b=3 (c) a=-1 (d) b=-1