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If lim_x→0 [(e^kx – 1) sin kx] / x² = 4, then k =

1) 2 2) -2 3) ± 2 4) ± 4 Solution: (3) ± 2... View Article

1) 1/2 2) 1/4 3) 1/6 4) 1/8 Solution: (4) ⅛... View Article

1) 1 2) 1/2 3) - (1/2) 4) 0 Solution: (2) ½... View Article

1) 1 2) 0 3) positive infinity 4) does not exist Solution: (4) does not exist... View Article

1) ∞ 2) 1 3) 0 4) -1 Solution: (4) -1... View Article

1) √2 2) -√2 3) 1/√2 4) does not exist Solution: (4) does not exist... View Article

1) 0 2) 1 3) 2 4) None of these Solution: (1) 0... View Article

1) sin 2 2) cos 2 3) 1 4) 2 cos 2 + sin 2 Solution: (4) 2 cos 2 + sin 2... View Article

1) 1/e 2) 1 3) e 4) e2 5) None of these Solution: (2) 1... View Article

1) - (1/4) 2) 1/2 3) 1 4) 2 Solution: (4) 2... View Article

1) 0 2) 2 3) 1/4 4) 1 Solution: (3) ¼... View Article

1) 1 2) -1 3) ∞ 4) None of these Solution: (1) 1... View Article

1) 2 2) 1 3) 0 4) -1 Solution: (2) 1... View Article

1) 0 2) e 3) 1 4) does not exist Solution: (3) 1... View Article

1) 1/8 2) 0 3) 1/32 4) ∞ Solution: (3) 1/32... View Article

1) 1 2) 2 3) 0 4) 3 Solution: (2) 2... View Article

1) π/2 2) 1 3) - π 4) π Solution: (4) π... View Article

1) e 2) e-1 3) e-5 4) e5 Solution: (3) e-5... View Article

1) e-a 2) e 3) ea 4) 1 Solution: (1) e-a... View Article

1) 6 2) 1 3) -1 4) -5 Solution: (4) -5... View Article