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Find ∫(x^3+x^2+6)dx.

∫(x³+x²+6)dx= ∫x³dx +∫x²dx+∫6dx =x⁴/4 +x³/3 +6x+C.

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What is the key to writing Spanish essays?

From my experience, Spanish writing at both GCSE and at A-Level depends greatly on the quality of your essay. It is divided up into 4 marking sections.

Content of the essay (/25)

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Answered by Jordan S. • Spanish tutor
2793 Views

How do you 'complete the square' of a quadratic equation?

To complete the square, we need to rearrange the quadratic equation in the form of ax² + bx + c into the form r(x + p)² + q, where our task is to find the values of the unkowns of r,...

Answered by Ryan B. • Maths tutor

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Identify three types of long-term memory and give an example of each type

Long-term memory is one of the two storage types of memory. Long-term memories are memories that we are able to keep over a timescale of a couple of minutes to a whole lifetime. There are two types of lon...

Answered by Brendan W. • Psychology tutor

15774 Views

Using the trigonometric identity (sinx)^2 + (cosx)^2 = 1, show that (secx)^2 = (tanx)^2 + 1 is also a trigonometric identity.

We can divide by (cosx)^2 across the identity (sinx)^2 + (cosx)^2 = 1 (which can be derived from properties of the unit circle and a bit of Pythagoras’ theorem) to achieve

[(sinx)^2 / (cosx)^2] + [...

Answered by Annie B. • Maths tutor

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