Top answers

'Find the first derivative, with respect to x, of arctan(1/x) for non-zero real x. Hence show that the value of arctan(x)+arctan(1/x) is constant for all non-zero x, explicitly stating this constant in your final answer.' How do I solve this?

I have linked the solution to this problem here. https://www.icloud.com/iclouddrive/0mLKDeFREhbvTJm6D09jFakcw#Solution
3220 Views

When is the subjunctive tense required in French?

The French subjunctive tense/mood is required when expressing cases of doubt, necessity or emotion. For example, "Je veux que tu gagnes" (I hope that you win), "Il faut que tu sois à l'heure&q...
GW
Answered by Georgia W. • French tutor
2107 Views

What is 'Gearing' and how is it interpreted?

Gearing is a ratio that looks at the proportion of capital funded by debt. It is used as a measure of risk as it assesses how much of a business's capital is funded by loans - the higher the gearing ratio, t...
Answered by • Business Studies tutor
3430 Views

What is the difference between a vector and a scalar quantity?

A vector describes both magnitude and direction, whereas a scalar only describes the magnitude. A common example is speed and velocity. Speed is a scalar, it describes only how fast something is going and ve...
PK
Answered by Patricia K. • Physics tutor
2633 Views

Simplify (3x^2 - 6x)/ (6x^3 - 19x^2 + 9x +10)

3x(x-2)/(2x+1)(x-2)(3x-5) 3x/(2x+1)(3x-5)
Answered by • Maths tutor
5623 Views