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find the integral of 1/x

ln(x)+c

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When would you use the verb "ser" and when would you use "estar", the two different verbs for "to be"

"Ser" is used to describe permanent attributes, for example: personal descriptions, someone's profession, the origin of a person or object. etc.Examples:María es alta y delgada (María is tall an...

Answered by Max S. • Spanish tutor

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A right-angled triangle has an adjacent of (x + 1) and (x - 1). (a) Find the length of the hypotenuse in terms of x. (b) Explain why the triangle can't be an isoceles triangle.

(a). Using Pythagoras' Theorem, (x + 1)² + (x - 1)² = x² + 2. (b). (x + 1) cannot = (x - 1) for any x.

Answered by David A. • Maths tutor

2803 Views

How can I extract essential information from a book in as little time as possible?

Sometimes you need to read several books for an essay and it is difficult to read them all without waisting some precious time you could spend planning your essay or writing it. Reading should not take mo...

Answered by Antoine C. • History tutor

2856 Views

Explain and evaluate the first-past-the-post electoral system.

First-past-the-post is the electoral system used for the UK General Election. The UK is divided into constituencies and each citizen gets one vote. The candidate in each constituency with the most votes b...

Answered by Zoe W. • Politics tutor

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