### cameroon gce advance level June 2020 maths with statistics paper 2

cameroon gce advance level June 2020 maths with statistics paper 2

I (vi) Given that (x +1) is a factor of f(x),where f(x) = x3 + 6×2 +1lx + 6,factorise f(x) completely

‘ v (4 marks)

(ii) Let X be a real constant. Show that the roots of the quadratic equation

3×2 + (-4- 2A)x + 2A = 0

arc always real. (5 marks)

2. (i) Given that y = ln(4 + x2),

find

ay (2 marks)

(a) the equations of the tangent and normal to the curve y = ln(4 + x 2) at the point where x = 1.

(4 marks)

(a)

dx

(ii) Solve the differential equation —^ = xy — x, given that y = 2 when x = 0, expressingy in terms (4 marks ofx.)

3. (i) Draw the truth table for each of the propositions p => q and ~ p V q and show that they are identical.

(6 marks)

(ii) Given that sin *(*) = a and cos *(*) = /? show that sin(cr + /?) = 1. (4 marks)

## Ghyslain

October 20, 2020

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