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Integrate y= x^3+3x^2-4x-7 between x values 1 and 3

Firstly, integrate y with respect to dx. Increase the powers of x by 1 and then divide the coefficient of x by the new power of x. I.e.: x^3 becomes 1/4x^4. The power increases from 3 to 4 and the coefficien...
LA
Answered by Louis A. • Maths tutor
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Draw a mechanism for electrophilic addition?

We can take the electrophilic addition of bromine to ethene as an example. The double bond in ethene acts as an area of high electron density causing an induced dipole on the Br 2 molecule, giving one of the...
LA
Answered by Louis A. • Chemistry tutor
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outline four functions of the nuclear family

Murdock argues that the nuclear family performs four essential functions for society and for its members , he argues that the family satisfies members economic needs, is essential for primary socialisation o...
KM
Answered by Kaelin M. • Sociology tutor
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How should I structure my essay when in an exam?

Always remember that the aim of your essay is to communicate your knowledge to the marker. The best way to do this is to have pre-planned ideas ready before you step into your exam. These ideas will be the b...
JG
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Las técnicas estilisticas. ¿Cómo nos ayudan a entender más profundamente el tema principal del texto o de la película que has estudiado?

En "Los diarios de motocicleta", vemos que el tema principal que el director, Walter Salles, querría mostrar fue las injusticias sociales en la Sudamérica de los años cincuenta y la reacción del pr...
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Answered by Pierre D. • Spanish tutor
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