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Find the solutions to x^3+4x^2+x-5=1

These cubic equations are usually fairly simple once the method is known, firstly make the right hand side (RHS) equal to zero by subtracting 1 from both sides:

x^3+4x^2+x-6=0

...

LH
Answered by Luke H. Maths tutor
4373 Views

How does the formal form "" work in Italian?

To show respect to the person you are referring to, in Italian it is important to use the third singular form "lei" instead of the second singular one "tu";as a consequence, all the ad...

AF
Answered by Angela F. Italian tutor
2569 Views

What's the difference between the mean, median and mode?

The mean, median and mode are three types of averages which you will be asked about in your GCSE maths exam.

The best way to learn maths is by by doing it or at least runni...

TK
Answered by Thomas K. Maths tutor
8778 Views

What is the De Broglie wavelength of an electron given it has a kinetic energy of 1 eV? You are given the mass of an electron is 9.11x10^-31 kg and Planck's constant is 6.63x10^-34

The De Broglie wavelength equation is as follows:

λ=h/p

We know the value of Planck's constant h and so to calculate the wavelength all we need is the momentum, which is equ...

DM
Answered by David M. Physics tutor
94670 Views

Q: Describe the structure of an amino acid and the formation of a peptide bond.

Proteins are made up of organic molecules called amino acids. There are thousands of different proteins with diverse functions: storage, transport, structural support, cellular communi...

FM
Answered by Florence M. Biology tutor
21847 Views

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