CIE May 2021 9709 Pure Maths Paper 32
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This page covers Questions and Worked Solutions for CIE Pure Maths Paper 3 May/June 2021, 9709/32.
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CIE May 2021 9709 Pure Maths Paper 3 (pdf)
- Solve the inequality |2x − 1| < 3|x + 1|.
- On a sketch of an Argand diagram, shade the region whose points represent complex numbers z satisfying the inequalities |z + 1 − i| ≤ 1 and arg|z − 1| ≤ 3/4 π
- The variables x and y satisfy the equation x = A(3−y), where A is a constant.
(a) Explain why the graph of y against ln x is a straight line and state the exact value of the gradient of the line - Using integration by parts, find the exact value of
- The complex number u is given by u = 10 − 4√6i.
Find the two square roots of u, giving your answers in the form a + ib, where a and b are real and exact. - (a) Prove that cosec 2θ − cot 2&theta= tan θ.
- A curve is such that the gradient at a general point with coordinates x, y is proportional to y/√(x + 1).
The curve passes through the points with coordinates (0,1)and (3, e) - The equation of a curve is
- Let f(x) =
- The diagram shows a trapezium ABCD in which AD = BC = r and AB = 2r. The acute angles BAD and ABC are both equal to x radians. Circular arcs of radius r with centres A and B meet at M, the midpoint of AB.
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