1i(a)	Area(R)i1i×0.5i×i1i+i2(e0.05i+ie0.2i+ie0.45i)i+ie0.8i

2			B1	1.1b

		M1	1.1b



	=i1i×10....i=2....i=2.73i(2dp)

	4	

		A1	1.1b

		(3)	



(b)(i)	2

∣∫4i+ie1ix2iiiiiidx∣i=4(2)i+"2.73"i=10.73i(2dp)

		5iiiii

∣iii0	∣	

B1ft	

2.2a



(b)(ii)	3

∣	1i(ix-i1)2	∣

∫e5	dxi="2.73"i(2idp)

∣iii1	∣	

B1ft	

2.2a

		(2)	

(5imarks)

Questioni1iNotes:

(a)iB1:

M1:







A1:

(b)(i)iB1ft:



(b)(i...
NR 222 PRACTICE QUIZ 1