zero
2
3
5
Correct answer is B
y = 3x3 - 9x2
dy/dx = 9x2 - 18x
As dy/dx = 0
9x2 - 18x = 0
9x(x-2) = 0
9x = 0 which implies x = 0
x-2 = 0 implies x = 2
d2y/dx2 = 18x - 18
when x = 0
d2y/dx2 < 0 ∴ x is is minimum
when x = 2d2y/dx2 = 18
∴ the value > 0 x is minimum
Find the product of 0.0409 and 0.0021 leaving your answer in the standard form ...
A ladder 16m long leans against an electric pole. If the ladder makes an angle of 65o with the ...
Find the value of X if √2x+√2=1x−√2 ...
Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2) ...
The area of a circle is 38.5cm2. Find its diameter [take π=227]...
In the diagram, O is a circle centre of the circle PQRS and < PSR = 86o. If < PQR = xo, find x...
In this figure, PQRS is a parallelogram, PS = PT and < PST = 55o. The size of <PQR is...