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Find the interval in which f(x)= 4x^3+3x...

Find the interval in which `f(x)= 4x^3+3x^2+2x+1` is increasing.

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PATHFINDER-APPLICATION OF DERIVATIVE-QUESTION BANK
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  2. find all the tangents to the curve y=cos(x+y),-2pilexle2pithat are par...

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  3. Find the interval in which f(x)= 4x^3+3x^2+2x+1 is increasing.

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  4. A cubic f(x) vanishes at x= -2 and has relative minimum and maximum a...

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  5. Find the coordinates of the point on the curve y=x/(1+x^2)where the te...

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  6. Find the number of points of maxima and minima of the function. f(x)=1...

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  7. Find a point on the curve x^2+2y^2=6 whose distanced from the line x+y...

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  8. Prove that for any two numbers x1 and x2.(2e^(x1)+e^(x2))/3gte^((2(x1)...

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  9. If |f(x2)-f(x1)|le(x2-x1)^2AAx1,x2inR, then the equation of tangent to...

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  10. If y = f(x) = (x+2)/(x-1) then

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  11. A wire of length 2 units is cut into two parts which are bent respecti...

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  12. Consider f(x)=tan^-1(sqrt((1+sinx)/(1-sinx)),x in(0,pi/2). A normal to...

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  13. The line y=x+lambda is tangent to the ellips 2x^2+3y^2=1 Then lambda i...

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  18. If the normals of the parabola y^2=4x drawn at the end points of its l...

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  19. If y = a + bx and Mo is the mode of x, then show that the mode of y mu...

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