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A
Solid rotaion
Hi I need help with question 32. ii). I solved it and got 24pi, but feel as if it's wrong. If someone can help me out it would be great
AbstractBlade
Thread
Jun 2, 2021
Replies: 2
Forum:
Mathematics Extension 1
A
hopefully my last question for proofing
This is hopefully my last question for proofing if x,y,z \in real numbers and x \neq y \neq z i) prove x^2 + y^2 + z^2 > yz + zx + xy ii) if x + y + z = 1, show yz + zx + xy < 1/3
AbstractBlade
Thread
Mar 28, 2021
Replies: 6
Forum:
Mathematics Extension 2
A
Proofing question
Question 25.ii)
AbstractBlade
Thread
Mar 28, 2021
Replies: 5
Forum:
Mathematics Extension 2
A
Contrapositivity question
Question 15. If ab is divisible by 3, prove by contrapositive that a or b is divisible by 3.
AbstractBlade
Thread
Mar 28, 2021
Replies: 2
Forum:
Mathematics Extension 2
A
More proofing i cant do
If anyone can solve question 34 it will be really helpful.
AbstractBlade
Thread
Mar 26, 2021
Replies: 14
Forum:
Mathematics Extension 2
A
Proof and induction questions
If anyone can solve question 31 it will be really helpful.
AbstractBlade
Thread
Mar 26, 2021
Replies: 1
Forum:
Mathematics Extension 2
A
Induction
If anyone can solve question 40. (ii) it would be appreciated
AbstractBlade
Thread
Mar 24, 2021
Replies: 12
Forum:
Mathematics Extension 2
A
Proof by induction question. It's been rotting my brain. Question 50
AbstractBlade
Thread
Mar 13, 2021
Replies: 12
Forum:
Mathematics Extension 2
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