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Find arsinh(x) in terms of x

let y=arsinh(x)x=sinh(y)=(e y - e -y )/22x=e y - e -y 2x*e y =e y -1 (multiply bye y )0=(e y ) 2 -2xe y -1This is a quadratic in e y with coefficients: a=1,b=-2x,c=-1Usinng the quadratic formula (and simplif...
JB
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Do only monopolies have monopoly power?

Monopoly power is commonly associated with oligopolists and not just monopolists. Firms in these markets use their monopoly power to construct entry barriers such as hugely expensive advertising campaigns th...
BP
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Describe what happens at a constructive (divergent) plate margin?

A constructive plate margin occurs where two or more plates move apart from each other. Convection currents within the earths mantle force magma upwards towards the Lithosphere, this melts the rock in the up...
TR
Answered by Toby R. • Geography tutor
7674 Views

What is elasticity of demand and how do you work it out?

Elasticity of demand, or more formally Price Elasticity of Demand (PED) is a measure of the extent to which the amount of a good demanded by consumers varies with response to a change in its price. It can be...
NC
Answered by Noah C. • Economics tutor
11447 Views

Show that 2sin(2x)-3cos(2x)-3sin(x)+3=sin(x)(4cos(x)+6sin(x)-3)

When proving trigonometric identites, we must show that the left hand side of the equation = the right hand side. Here we will start with the left hand side (LHS) and show that it is equivalent to the right ...
JB
Answered by Joe B. • Maths tutor
16634 Views