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How do you find the derivative of arcsinx?

to find the derivative, we can first make this easier to visualise. Say a second variable, y, is included to make this become y = arcsinx. now if we sin both sides, we get siny = x. we already know the deriv...
TG
4802 Views

Evaluate the behaviourist approach to explaining behaviour. {6 marks}

For this question I recommend developing one positive and one negative point, both of which follow the PEEL (point evidence explanation link) format. This ensures that you hit the knowledge marks (AO1) and e...
HW
Answered by Hannah W. • Psychology tutor
13430 Views

When Integrating by parts, how do you know which part to make "u" and "dv/dx"?

you need to think about how the integral will be simpliefied, basically you are trying to get to a state where only one function of x resides in the integral. so if you have an x 2 sin3x dx inside the integr...
TG
Answered by Thomas G. • Maths tutor
4134 Views

A cubic curve has equation y x3 3x2 1. (i) Use calculus to find the coordinates of the turning points on this curve. Determine the nature of these turning points.

y′=3x2 −6x use of y′ = 0 0= 3x^2 - 6x 0= 3x(x-2) therefore either x=0 or x=2 when x=0 y=1, when x=2 y=-3 (0, 1) or (2, −3) y''=6x-6 when x=0 y''=6(0)-6 = -6 as y'' is negative this means at x=o the curve is ...
CB
Answered by Charlotte B. • Maths tutor
7872 Views

Why does the reactivity of group 1 elements increase as you go down the group?

Group 1 metals all have one electron in their outer shell. When they react they form positive metal ions by losing this electron. Since there is only one electron to lose, group 1 metals are all extrememely ...
PH
30218 Views