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How does integration by parts work?

The method of integration by parts is working upon the Product Rule in differentiation. We know the Product Rule to be d/dt (uv) = uv' + vu', where u and v are separate functions and u' and v' are the corres...
FI
Answered by Finn I. • Maths tutor
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Discuss the ethical issues of IVF in humans

There are several arguments for having in vitro fertilisation. Firstly, it allows people who couldn't otherwise have children to start a family. Also the embryos that are used for IVF, if there are signs tha...
EC
Answered by Elsa C. • Biology tutor
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Solve algebraically the following system of equations: 4x + 5y = -3; 6x - 2y = 5

To solve these algebraically, we need to eliminate one of the two variables (either x or y) and solve for the remaining variable. We then substitute the answer found into one of the two given equations to fi...
CS
Answered by Cara S. • Maths tutor
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Explain why haemoglobin in Sickle Cell Anaemia is less effective at carrying oxygen.

The mutation present in sickle cell anaemia causes a change in the primary structure of amino acids in the haemoglobin molecule. This change in primary structure changes the tertiary structure of a haemoglob...
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Answered by Kit T. • Biology tutor
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Calculate: ( 2+i√(5) )( √(5)-i).

[Brief intro to question] This is a typical example of A-Levels Further maths exam question. The aim of it is to obtain a single number (it can be both - either just real with no imaginary values i or comple...
RS
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