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Can u show the qs?Why doesn't chain rule work during integration or differentiation when the bracket is to the power of 2?
http://freeexampapers.com/A-Level/Maths/CIE/2011-Jun/9709_s11_qp_12.pdfCan u show the qs?
M/J 2014 - V12Toughest P1 paper??
There is no need of chain rule here
Here you goQuestion 7 plzzz quickly I have exam tomorrow
Maybe if you move the f to other side it will be f-1(x)http://freeexampapers.com/A-Level/Maths/CIE/2011-Jun/9709_s11_qp_12.pdf
Q6 - i
Why does
ff(x) = x show that the inverse f-1(x) is f(x) ?
Volume of revolution = pi x integral of y^2There is no need of chain rule here
Ohh...
so why would u require chain rule??Volume of revolution = pi x integral of y^2
y is given so you need to square the y
y = 4x^0.5 - xso why would u require chain rule??
Oh! But I prefer expanding the brackety = 4x^0.5 - x
so y^2 = (4x^0.5 - x)^2
Integrate y^2 you would either expand out the bracket or use the chain rule
How's prep?y = 4x^0.5 - x
so y^2 = (4x^0.5 - x)^2
Integrate y^2 you would either expand out the bracket or use the chain rule
A car of mass 1100 kg starts from rest at O and travels along a road OAB. The section OA is straight,
of length 1760 m, and inclined to the horizontal with A at a height of 160m above the level of O. The
section AB is straight and horizontal (see diagram). While the car is moving the driving force of the
car is 1800N and the resistance to the car’s motion is 700 N. The speed of the car is v ms−1 when the
car has travelled a distance of x m from O.
(i) For the car’s motion from O to A, write down its increase in kinetic energy in terms of v and
its increase in potential energy in terms of x.
Increase in Potential Energy = 1000x . How ??
GoodHow's prep?
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