A.math Paper Answer~

Hiex guys!I am posting my A.math answers here
Its NOT neccesary correct but you can refer it
Take note that not all the answers will be written down
Any qn msn me at elson975@hotmail.com =]

Answers:
Qn1i)$80500
ii)18 or 19 years(I'm not sure about this)

Qn2i)Amplitude=3/2
Period=720 degree
ii)83.6 degree and 276.4 degree

Qn3ii)(4,8/e^4)Max pt and (-2,-4e^2)Min pt (Any answers written in numerical,marks will be deducted)

Qn4i) 5/(4x+1) - 3/(3x-2)
ii) -0.773

Qn5a) Alpha+Beta=7/3
Alpha times Beta=1/3
b) 16/27
c) 27x^2 - 16x + 1 = 0

Qn6i) 2/7
ii) 10 - square root 3

Qn7 - (Proving qn)

Qn8i) S(20,30) , B(12.5,22.5)
ii) AC= 3/5x + 15 SR= 50 - x
iii) BS= 10.6 AS=2.65
iv)14 and 1/6

Qn9i) y= -4/3x + 3and 1/3
ii) OP= 3and 1/3
iii) 73.3%

Qn10ii) Square root 250 sin(O+0.322) (Radians mode)
iii) Max=Square root 250 when O=1.25
iv) 0.363

Qn11 - (graph qn)

Don't worry if your answers are different from mine(Ching kiat).I have lots of bloody careless mistakes.So don't panick when your answers are different.
Good luck and take cares =]

EL paper 1 tmr~