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root3 (root6 + root12) can be written as Aroot2 + B

root3 (root6 + root12) (root3 * root6 ) + (root3 +root12) = root18 + root36= (root9 + root2) + 6= 3root2 +6a= 3 b = 6
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Answered by Dorcus M. • Maths tutor
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What is the functionalist view of society?

Functionalists, such as Durkheim, argued that society is a structure in which everybody works together for the common good of us all. This idea was referred to as the organic analogy by Durkheim, who argued ...
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Answered by Rebecca D. • Sociology tutor
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Write down the expansion of (cosx + isinx)^3. Hence, by using De Moivre's theorem, find cos3x in terms of powers of cosx.

First, we expand by using binomial expansion (it is always helpful to draw Pascal's triangle to find each term's coefficients): 1 1 1 2 1 1 3 3 1 Since the function is raised to the power of 3, we use the un...
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Answered by Hiro F. • Maths tutor
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When should there be verb agreement?

In French, the past participles in compound tenses and moods often need to agree with other aspects of the sentence. You need to know both how to make them agree, and also when they should agree. Verb agreem...
Answered by • French tutor
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To what extent was US foreign policy the cause of the Cuban Missile Crisis?

To a large extent these economic policies caused the crisis. However other factors played a part. These include the need to establish nuclear parity (equality), and the pressure under which leader found hims...
Answered by • History tutor
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