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If m=a^x, n=a^y, and a^2 =(m^y n^x)^z Show xyz=1.

If m=a^x n=a^yand a²=(m^yn^x)^z Show xyz=1.

The above question is an indices question from an AS textbook. This is questi...

Answered by Joshny J. • Maths tutor

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Integrate the following expression with respect to x by parts: (2x)sin(x)

The integration by parts formula: S:udv/dx = uv - S:v*du/dx, where S: means "Integral of with respect to x"

Let 2*x be u and sin(x) be dv/dx

So du/dx =2 and v= -cos(x)

Answered by David P. • Maths tutor

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(8/125)^(-2/3)

Denominator of the power expression indicates the degree of the root in this case its the cubic root. Numeriator denotes the degree of power in this case squared. The negative sign means to inverse the ba...

Answered by Andrew D. • Maths tutor

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When I integrate by parts how do I know which part of the equation is u and v'?

To determine which function is your u value in the by parts equation, you can use the acronym LATE to find the order of precedence for this value. LATE stands for: Logarithmic functions Arithmetric functi...

Answered by Ben A. • Maths tutor

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