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C1, C2, C3, C4

D1

FP1, FP2, FP3

M1, M2

S1, S2

First you must show that the statement on the right hand side is true for n=1:
Σ_i=0 i² when n=1, is equal to 1²=1
(1/6)(1+1)(1+2)=(1/6)(2)(3)=1
This means t...

To differentiate X^a, where a is any real number, you multiply X by a, and subtract 1 from the power.
i.e. d(X^a)/dX=aX^a-1

Benzene has the chemical formula C6H6 where each Carbon atom is bonded to two other Carbon atoms and a single Hydrogen atom.  The 4th bond pair of electrons from each Carbon atom is delocalised, creati...

The verb ESTAR is used when the job is considered temporary or relatively unimportant to the person undertaking it.-Mi prima va a estar de camarera en un restaurante todo el verano.-My cousin will work as...