Top answers

How do I know when to use saber or conocer?

A common mistake made amongst all learners of Spanish but with a little practice it can be easily avoided. saber - to know a fact/thing/skill 'Ella sabe muchos idiomas' = She knows many languages 'Yo sé hace...
PR
Answered by Paige R. • Spanish tutor
4209 Views

Of what is the Central Nervous System comprised?

The brain and the spinal cord
PW
Answered by Paul W. • Biology tutor
5357 Views

What modules have you done before?

C1, C2, C3, C4 D1 FP1, FP2, FP3 M1, M2 S1, S2
ZK
4682 Views

How to prove that (from i=0 to n)Σi^2= (n/6)(n+1)(2n+1), by induction.

First you must show that the statement on the right hand side is true for n=1: Σ i=0 i 2 when n=1, is equal to 1 2 =1 (1/6)(1+1)(1+2)=(1/6)(2)(3)=1 This means that the statement is true for n=1. Next you ass...
JB
Answered by James B. • Maths tutor
20849 Views

How do you differentiate X to the power of a?

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
JB
Answered by James B. • Maths tutor
17748 Views