Mathematics: Post your doubts here!

[cellular_automata]

View attachment 63474
can someone explain 10(ii)?

If you derive g(f(x)), you end up getting gf(x) = x . I still do not understand why this is not supposed to be possible. Could you share a pic of what the mark scheme says?

 

[Ebrahim12]

If you derive g(f(x)), you end up getting gf(x) = x . I still do not understand why this is not supposed to be possible. Could you share a pic of what the mark scheme says?

No mark scheme out yet, check your conversations.

 

[A*****]

No mark scheme out yet, check your conversations.

I would really really be thankful to you if u could share the whole paper...pleassseeee

 

[cellular_automata]

No mark scheme out yet, check your conversations.

I got it. g(x) is defined for x > 2. When x=3, f(3)=10. but g(x) is only defined for 2 < x <4 so this is not valid.

 

[Ebrahim12]

I got it. g(x) is defined for x > 2. When x=3, f(3)=10. but g(x) is only defined for 2 < x <4 so this is not valid.

Ah okay, so you would write this as: range of f(x) is outside the domain of g(x) I guess. Thanks.

 

[Hamnah Zahoor]

Since CD lies in the same line as BC then it must be an integer multiple of the unit vector of BC (The integer will be the magnitude of CD).

In this case we don't know if CD is in the same direction as BC or the opposite, so it can either be a positive or a negative integer multiple of the unit vector.

CD = +/- (CD magnitude)(unit vector of BC)

OD = +/- (CD magnitude)(unit vector of BC) +OC

Thankyou!

 

[Hamnah Zahoor]

march 18

Can You please upload the paper? we would really appreciate it.

 

[Parhaakoo]

Can anyone show full working for 10ii pls!

 

[A*****]

Can anyone show full working for 10ii pls!

 

[Parhaakoo]

thank u!

 

[Ebrahim12]

Can You please upload the paper? we would really appreciate it.

Sorry didn't know how to

 

[Hamnah Zahoor]

Sorry didn't know how to

Thank You so much!

 

[Parhaakoo]

Sorry didn't know how to

Can u upload its ms too

 

[A*****]

Can u upload its ms too

Mark scheme is not out yet

 

[Holmes]

Can You please upload the paper? we would really appreciate it.

Exactly

 

[Holmes]

march 18

Can you just copy paste the link from where you got this paper? Ebrahim12

 

[ba-lock-ey]

ms released after 17 may

 

[Ebrahim12]

Can you just copy paste the link from where you got this paper? Ebrahim12

 

[Parhaakoo]

We can just tally our answers here...what do u guys say?

yes pls!

 

[Ebrahim12]

Here's my final answers if someone wants to cross check