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Integrate xsin(x) by parts between the limits of -pi/2 and +pi/2

Let u = x and dv/dx = sin(x), By using the general expression of: integral(u multiply dv/dx)dx = [u multiply v] - integral(v multiply du/dx)dx, and by realising that: du/dx = 1, and v = -cos(x), we can deduc...
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Answered by Matthew B. • Maths tutor
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During respiration, what gas is released as a waste product?

Carbon Dioxide. Oxygen + Glucose = Carbon dioxide + water + energy
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Answered by Elinor L. • Biology tutor
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What is an ablative absolute, and how do I translate one?

An ablative absolute is a noun + participle phrase which doesn't have any grammatical connection to the rest of the sentence, in which the noun and participle are in the ablative and agree in gender and numb...
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Answered by Gwyneth E. • Latin tutor
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Differentiate x^2+6x+1

All we do here is break down into three parts: x 2 , 6x & 1.x 2 becomes 2x as we multiply by the power and then decrease the power by one.6x becomes 6 and 1 becomes 0.So alltogether we have2x+6
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Answered by Samuel I. • Maths tutor
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Perform a feminist reading of Frida Kahlo's 'The Two Fridas'

The two Frida’s are linked by a shared heart that has been pierced and is bleeding. I read this painting as speaking to the effects that patriarchal institutions have on the way women lead their lives. Kahlo...
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