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Solve 3x - 5 < 16

When solving inequalities, you should treat them like solving any regular equation that you are used to (ie. whatever operation you perform on the left hand side, you must perform on the right hand side also...
MR
Answered by Mylan R. • Maths tutor
5049 Views

Express 2 ln(3) + ln(11) as a single natural logarithm

To simplify this equation we need to understand the rules of logarithm equations. When we add two natural logs (ln) together, we must actually multiply the contents of the brackets. For example:ln(5) + ln(9)...
JK
Answered by Jordan K. • Maths tutor
10601 Views

Factorise a^2 + a - 30

This is a quadratic equation in the form ax 2 +bx+c. As the three terms don't have a common factor we cannot factorise this into one bracket, instead we will factorise it into two. In order to do this we mus...
IG
Answered by Isabella G. • Maths tutor
5482 Views

Factorise x^2+3x-4

Answer is:(x-1)(x+4)
TA
Answered by Tahmina A. • Maths tutor
5940 Views

y = e^(e^x). Show that the curve has no maxima or minima for any real number.

dy/dx = (e^x)*(e^(e^x)) which is never equal to zero so it does not have any maximum or minimum.
PM
Answered by Pablo M. • Maths tutor
1754 Views