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Given y=(1+x^3)^0.5, find dy/dx.

In order to solve this question, we need to use the chain rule when differentiating. The chain rule formula is dy/dx= (dy/du) (du/dx). Let u=1+x 3 Differentiating with respect to x gives du/dx=3x 2 We now ha...
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Answered by Rebecca M. • Maths tutor
6386 Views

What are the advantages provided to plant cells by having a cell wall?

Cell walls provide plant cells with protection and structure. Protection may be from adverse conditions or from biotic threats like fungi or bacteria. The structure of the plant is dependent on the presence ...
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Answered by Peter O. • Biology tutor
8581 Views

When do you use 'sein' and when do you use 'haben' in the past tense?

When forming a sentence in the past, or perfect tense in German, it is always formed with a conjugation of 'sein' or 'haben', plus the past participle of the main verb. It is much more common to use the verb...
AH
Answered by Alana H. • German tutor
5719 Views

How do I analyse sources?

Sources play a vital role in the study of History. It is important to know how to engage with the sources correctly and use them appropriately in an answer. The three main things to remember are: 1) What is ...
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Answered by Liliane B. • History tutor
4223 Views

How does the gender of German nouns work?

In German there are three genders that a noun could have: masculine, feminine, and neuter. If you have studied French or Spanish for example, you will have seen nouns that have masculin or feminine genders, ...
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Answered by Alana H. • German tutor
4022 Views