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⎛ 2 a ⎞7. Given that X = ⎜ ⎟⎝ − 1 − 1⎠, where a is a constant, and a ≠ 2,Leaveblank(a) find X –1 in terms of a.(3)Given that X + X –1 = I, where I is the 2×2 identity matrix,(b) find the value of a.(3)____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________14*N34694A01428*
<strong>Question</strong> 7 continued______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________LeaveblankQ7(Total 6 marks)*N34694A01528*15Turn over
Page 1 and 2: CentreNo.CandidateNo.SurnameSignatu
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Page 12 and 13: 6. A series of positive integers u
Page 16 and 17: 8. A parabola has equation y 2 = 4a
Page 20 and 21: 9. Given that z 1= 3 + 2i and z 2=
Page 24 and 25: ⎛ 1⎛10. A = 3 √ 2 0 ⎞⎜⎝
Page 26 and 27: Question 10 continued______________
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