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If y=4x^3+3/x^2-3, what is dy/dx?

We know the rule for differentiation is, multiply by the power reduce the power by one.
Although having several parts this looks confusing we just need to break it down.
4x^3 differentiates to 1...

Answered by • Maths tutor

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y = 2/x^3 find and expression for dy/dx

y = 2 x^-3 simpler to differentiate in this form dy/dx = (-3)(2 x^-4) multiply by power out the front and subtract one from the powerdy/dx = -6/x⁴ simplified version of abov...

Answered by Rufus B. • Maths tutor

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When do you use the passé composé or the imparfait and how do you form these two tenses?

The passé composé is used to describe a completed action in the past.To form the passé composé you will need the subject, the auxiliary and the past participle of the verb:e.g. J’ai joué...

Answered by • French tutor

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A car is travelling at 20 m/s. The accelerator is applied, causing an acceleration of 2m/s^s. How fast is the car travelling after 10 seconds of acceleration?

Using the SUVAT equation: v = u + at
v = ?u = 20a = 2t = 10
v = 40m/s

Answered by • Physics tutor

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Give two types of management of either hardware or other resources that are performed by an operating system.

Memory Management, Processor Scheduling.
Memory management allocates a specific area of memory to each application or open file while the computer is running. If the computer's RAM is not enough for ...

Answered by • Computing tutor

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