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Factorise and solve 4(x)^2-2x=0

2x(2x-1)=0 x=0 and x=1/2
AA
Answered by Alexander A. • Maths tutor
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What is the sum of the geometric series 1 + 1/3 + 1/9 + 1/27 ...

The geometric series takes the form of ax^n where n is a number from 0 to infinity with 0 being the first number in the series. The sum of this series is S = a + ax + ax^2 + ... If we break this series when ...
RT
Answered by Ryan T. • Maths tutor
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How do you find the missing angle of a Triangle?

180-99-22= 68 180-68= 112 112/2=56
JG
Answered by Jay G. • Maths tutor
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Integrate (3x^2-x^3)dx

With integration like this, you can look at each appearance of x individually. Firstly there is a rule to follow that is the power of X in each case increases by 1 and then that increase power divides the ca...
JT
Answered by Josh T. • Maths tutor
9798 Views

x = t^3 + t, y = t^2 +1, find dy/dx

dy/dx = dy/dt x dt/dx x = t 3 + t dx/dt = 3t 2 +1 y = t 2 +1 dy/dt = 2t dy/dx = 2t x (1 / (3t 2 +1) ) = 2t / (3t 2 + 1)
SK
Answered by Sukhwinder K. • Maths tutor
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