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If the line a x+b y+c=0 is a normal to t...

If the line `a x+b y+c=0` is a normal to the curve `x y=1,` then `a >0,b >0` `a >0,b<0` `a<<0,b>>0` (d) `a<0,b<0` none of these

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BANSAL-APPLICATION OF DERIVATIVE-All Questions
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  2. Let y\ =\ f(x) be a function such that f(x)=x^3\ \ and the line x\...

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  3. If the line a x+b y+c=0 is a normal to the curve x y=1, then a >0,b >...

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  4. Prove that the tangent drawn at any point to the curve f(x)=x^5+3x^3+4...

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  5. Find the equation of the normal to the curve y=|x^2-|x||a t x=-2.

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  6. Find the equation of tangent to the curve y=sin^(-1)(2x)/(1+x^2)a tx=s...

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  7. Find the equation of tangent and normal to the curve x=(2a t^2)/((1+t^...

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  8. Find the equation of the normal to y=x^3-3x , which is parallel to ...

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  9. Find the length of sub-tangent to the curve y=e^(x//a)

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  11. Let x be the length of one of the equal sides of an isosceles triangle...

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  12. Let f(x)={-x^2 ,\ \ for\ \ x<0x^2+8,\ \ for ,\ \ xgeq0 Find x intercep...

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  13. In the curve represented parametrically by the equations x=21ncott+1a ...

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  14. A line is tangent to the curve f (x)=41/3 x^3 at the point P in the fi...

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  15. Determine a differentiable function y\ =\ f(x) which satisfies f\ (...

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  16. Find the equation of the tangent to the curve sqrt(x)+sqrt(y)=a , at t...

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  19. Find the point on the curve where tangents to the curve y^2-2x^3-4y+8=...

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