Q2: Choose the correct answer 6-y - (x+)(x-+ 1). Find = x + d'y dr? AzP %3D d?y (b): 2+- (a) 2 dx2 (o= dzy (c) dx = 2+- (d) = 1 + (e)None of these dx2 7- y (In x)*, find dx (a) = (In x)* (xIn(Inx) + (b) = (In x)* (xIn(Inx) + %3D x In x Inx (c) (In x)* (In(Inx) + x Inx (d) = (In x)* (In(Inx) + dy %3D %3D dx In x (c) None of the these 8- y = ,x= -1 att=2, find- (b) = dy at t=2, find dx (a = 0 16 16 (c) (e) None of these %3D (a) %3D 27 dx 27 dx dx

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