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State the main features of a tree

It is a dynamic hierarchical data structure, it has a node at the top of the tree called root ode ad each node can have children nodes and the lines joining the nodes are called branches. A node that has a c...
ZL
Answered by Zifeng L. • Computing tutor
3698 Views

Use integration to find I = ∫ xsin3x dx

Use integration by parts, let U = x, the derivative of U = 1, let the derivative of V = sin3x and intergrate the derivative of V to arrive at V = (-1/3)(cos3x). Substitute the value into the formula uv − ∫ v...
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Answered by Zifeng L. • Maths tutor
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When should the dative case be used?

The German dative case is used under different circumstances: with specific prepositions, verbs, or with the indirect (dative) object.The prepositions which take dative in German are: aus (from), außer (exce...
MF
Answered by Maddie F. • German tutor
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Choose an example of a demerit good and and a policy which may be used by the UK Government to help reduce its consumption

A demerit good is a good which is generally both harmful or unhealthy to the consumer - in most instances, they also carry negative externalities, which are costs imposed onto third parties. An example of su...
TD
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As a director, outline one way you would get your actors to explore the social status of their characters in a scene.

An important part of portraying the social status of a character is the proxemics between each actor. This can be explored in workshops with LeCoq’s “Emotional Movement with a Stick” exercise, in which I wou...
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Answered by Ryan F. • Drama tutor
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