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(vii) 3 2 (viii) - 1 2 (ix) - 1 2 6 (x) 1 4 (xi) n. 3n-1 (xii) - 1 9 (xiii) 5 2 (a+2) 3 2 (xiv) a 2 b 2 (xv) 1 2 (xvi) - 16 Q-2 no Q-3 (i) 0 (ii) ∞ Q- 4 limit does not exist Q-5 (i) yes (ii) no Q-6 n = 4 Q-8 k = - 1 Q-10 (i) 1 2 x+a (ii) 2x cos x 2 (iii) 2xcosx - x 2 sinx (iv) - 2 (2x-3) 2 (v) 2cos(2x+1) (vi) 2k tankx sec 2 kx (vii) a sec 2 (ax + b) (viii) cos x 2 x (ix) sec 2 x 2 tanx (x ... ................
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