AQA A Level Mathematics Paper 2 7357/2 - 14 Jun 2022 [Exam Chat]

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Original post by solitary22s

Yeah you add 5 to 3.25

I can do you my method , send me ur socials

Original post by solitary22s

I can do you my method , send me ur socials

got discord? ChickenFishNut 3271

Original post by lw440

omdsss it asked for side and angle??? nooooooo i didnt read it properly

It just wanted angle

Original post by Tylerr04

It just wanted angle

i feel gutted man, lost an easy mark from not doing 180 - theta.,thought it wanted the greatest angle inside of the triangle.

Original post by Person 123

how did you work out the tension?

Resolve horizontally
you get Tension of the short rope is like a multiple of the long rope. I got 1.31 or so

Original post by Tylerr04

It just wanted angle

i just used sine rule?? too simple tho right?

guys did u get the graph question ?? if forgot how 1/x2 looks

what did u man get for the max height of the projectile?

Original post by man lyke striker

what did u man get for the max height of the projectile?

idk if its right but i subbed in 60?

Does anyone remember what they got for the last part of the differential equation when it said find x in terms of t

Also does anyone remember what they put into their calculator to find the maximum area of the triangle

Original post by David0161

Does anyone remember what they got for the last part of the differential equation when it said find x in terms of t

Erm it was like 3ln(34x/900-x)

Original post by David0161

Also does anyone remember what they put into their calculator to find the maximum area of the triangle

10root5?

username5898007

Original post by abifray

Erm it was like 3ln(34x/900-x)

wasn’t it 35x/990x inside the ln?? So the answer is 3ln(35x/900-x)? Maybe I’m wrong or u misclicked while typing

Original post by abifray

Erm it was like 3ln(34x/900-x)

kinda sad i couldnt do the other questions on the differentials man because the question confused me, i thought you had to integrate 1/2700....
man

Original post by aaaadammmm

wasn’t it 35x/990x inside the ln?? So the answer is 3ln(35x/900-x)? Maybe I’m wrong or u misclicked while typing

Yh 30 something I honestly don’t remember so I guessed 34

WutheringHxights

Was the translation of 1/x^2 to 9/x^2 in the Y axis?

Original post by abifray

Yh 30 something I honestly don’t remember so I guessed 34

did u get 10root5 as ur max area?

Original post by lw440

i just used sine rule?? too simple tho right?

thats right but someone else here pointed out that you had to use the second solution of inverse sin and not the first so that the smallest angle was the one opposite the smallest side. shouldve been 118 iirc

Original post by Behemouth

did u get 10root5 as ur max area?

Yes but you had to justify with the second derivative

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