Top answers

Solve the equation: x^2+x-12=0

x=-4, x=3
JH
Answered by Jordan H. • Maths tutor
3548 Views

Integrate the function f(x) where f(x)= x^2 +sin(x) + sin^2(x)

Answer: Integral= x 3 /3+ x/2 - cos(x) -1/4 sin(2x) + C Using the general rule that integrating x n results in x (n+1) /(n+1), x 2 integrates to x 3 /3.sin(x) is integrated to -cos(x)To integrate sin 2 (x), ...
CH
Answered by Charlie H. • Maths tutor
4985 Views

What is ionisation energy?

The easiest way to understand ionisation energy is to look at the equation for ionisation.For example, the ionisation of magnesium is shown by the following:Mg---> Mg + + e - The ionisation energy is then...
HR
Answered by Hazel R. • Chemistry tutor
2809 Views

What is the purpose of loose monetary policy?

Loose monetary policy is where the Bank of England make the decision to decrease interest rates, therefore lowering the cost of borrowing money and lowering the reward of saving money, meaning more spending ...
AG
2693 Views

Describe the difference between genotype and phenotype and give an example of where two different genetoypes may give rise to the same phenotype.

A genotype refers to the combination of alleles present that give rise to a certain characteristic.A phenotype refers to the actual physical characteristic as it is seen.An example would be whereby a flower ...
NM
Answered by Niamh M. • Biology tutor
5221 Views