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Discuss how Maya Angelou presents the theme of freedom, or lack thereof, in her poem 'The Caged Bird'

Withing the first stanza, Angelou uses a range of dynamic verbs in reference to the free bird: 'leaps', 'dips', 'floats'. In doing do, Angelou characterises freedom as a liberty and lightness of movement. Th...
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Answered by Nema L. • English tutor
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Prove that "6^n + 9" is divisible by 5 for all natural numbers.

First assess that the initial case of where n = 1 is true. In this case, 6+9=15=5 3, so we can see that the case is true.We can then assume that 6 k +9 is a multiple of 5, so we can let 6 k +9 = 5A for some ...
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Give the name and describe the process by which macrophages kill pathogens.

Phagocytosis. Macrophage picks up signals of pathogen, extends cytoplasm around pathogen and engulfs it in a vesicle. Lysosomes diffuse towards the vesicle through the cytoplasm, fuse and the (lytic) enzymes...
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Answered by Isabel B. • Biology tutor
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Explain what role nature plays in King Lear

Key advice for an answer:You must come up with a point /a line of argument : In King Lear, Shakespeare subverts ordinary early-modern views of hierarchy and natural order through a sympathetic portrayal of r...
Answered by • English Literature tutor
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A curve C has equation: x^3+2xy-x-y^3-20=0. Find dy/dx in terms of x and y.

First we need to make sure we understand implicit differentiation. As we are differentiating with respect to x, y has to be treated differently, this is because it could be anything from a constant to a func...
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Answered by Martin M. • Maths tutor
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