Top answers

Integration question 1 - C1 2016 edexcel

Answer has to be explained verbally. A full written proof can be given.
MP
Answered by Mihir P. • Maths tutor
4272 Views

Surds question 3 - C1 2016 Edexcel

Answer has to be explained verbally. I can provide a full written proof.
MP
Answered by Mihir P. • Maths tutor
4355 Views

integrate ln(x) using integration by parts

xlnx - x
KB
Answered by Kofi B. • Maths tutor
4348 Views

Simplify √32 + √18 giving your answer in the form of a√2.

√32 + √18 = 4√2 + 3√2 = 7√2
KS
Answered by Kavi S. • Maths tutor
9367 Views

A stone, of mass m , falls vertically downwards under gravity through still water. The initial speed of the stone is u . Find an expression for v at time t .

Ma = mg - Lmv 2) dv/dt = g-Lv 3)-1/L *(ln(g -Lv)/(g - Lu)) = t 4) g - Lv/ g - Lu = e -Lt 5) Rearrange to.... v = 1/L *(g-(g - Lu) e -Lt ) Missed some steps as it was relatively long, can perform this fully i...
JW
Answered by Joseph W. • Maths tutor
4467 Views