# P6 and P4-Edexcel, Help needed

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#1
Hi ppl...Anyone with P4 paper of jan2004, and p6 (if p6 is help in jan), and solomon papers?? And ofcourse mark schemes. Your help is badly needed .
And can someone tell me what the hell is 'proof by inducation'?
Plz email me the papers: [email protected]
0
15 years ago
#2
(Original post by freak17)
Hi ppl...Anyone with P4 paper of jan2004, and p6 (if p6 is help in jan), and solomon papers?? And ofcourse mark schemes. Your help is badly needed .
And can someone tell me what the hell is 'proof by inducation'?
Plz email me the papers: [email protected]
i havent done p6 but proof by induction i think is proving something works with a number, n, then proving it works with the next number n+1 you can say that it will work for all other numbers.

or something like that
0
15 years ago
#3
And can someone tell me what the hell is 'proof by inducation'?

Proof by induction:
(1)Assume the statement is true for n = k .
(2) Use this assumption to show that it logically follows that the statement will be true for n = k + 1.
(3) {Important as this step is often omitted}. Show that statement is true for n = 1. => true for all n.
0
15 years ago
#4
(Original post by nollaig)
And can someone tell me what the hell is 'proof by inducation'?

Proof by induction:
(1)Assume the statement is true for n = k .
(2) Use this assumption to show that it logically follows that the statement will be true for n = k + 1.
(3) {Important as this step is often omitted}. Show that statement is true for n = 1. => true for all n.
Sometimes, but not always, you have to start at n > 1.
For example, prove, by induction that 2^n > n^3. Well this is obviously not true for n=1, or n=2,... It doesn't become true until n=10.
So you have to start by showing that it is true for n=10, then do the n=k and n=k+1 bit
0
15 years ago
#5
(Original post by freak17)
Hi ppl...Anyone with P4 paper of jan2004, and p6 (if p6 is help in jan), and solomon papers?? And ofcourse mark schemes. Your help is badly needed .
And can someone tell me what the hell is 'proof by inducation'?
Plz email me the papers: [email protected]
hey i got p4 jan 04, i dont have p6!
does anyone have p6??
0
15 years ago
#6
P6 (Edexcel/MEI) is not offered in January.
0
15 years ago
#7
Sometimes, but not always, you have to start at n > 1.
Yes, I should have added that we have to be on the lookout for the domain of n. n is usually a natural number in P6 Edexcel.
0
15 years ago
#8
(Original post by nollaig)
P6 (Edexcel/MEI) is not offered in January.
oh yeah and neither is p5!! no wonder we have more p4 pastpapers!
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