Top answers


Differentiate sin3x-3x= f(x)

f'(x)=3cos3x-3differentiating the sin3xchain ruley =sinu u=3xdy/du=cosu du/dx=3dy/du x du/dx = 3cosuu= 3x3cos3x - 3
AW
Answered by Amy W. Maths tutor
4091 Views

Explain why the atomic radii of the elements decrease across Period 3 from sodium to chlorine

As you go across the period from sodium to chlorine, the number of protons in the nucleus increase.As protons are positively charged, they attract the outer electrons; as the number of protons increase, the ...
EC
Answered by Eve C. Chemistry tutor
5576 Views

How do I form the subjunctive?

The subjunctive is used as a ‘mood’ to express a phrase or sentence which contains an element of doubt, or uncertainty, prompted by the use of the word QUE. In English, this may be “I expect something will h...
ZS
Answered by Zoe S. French tutor
2105 Views

How can coastal management strategies be harmful in other places along the coast?

This is the process of downdrift, which is when the dynamic equilibrium of the coastal system is upset by manmade process, such as the installation of 'groynes'. Groynes are features which stick out past the...
ZS
Answered by Zoe S. Geography tutor
3874 Views

How do you link the context and analysis of a text?

Understanding the context of books can help with understanding what an author thinks is important in their own text, and reminds us that literature doesn't exist in a vacuum, but comes from its own time and ...
SM
Answered by Suzie M. English tutor
4040 Views