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tmua.co.uk TMUA Mock Paper 1 · Q3

Paper 1Algebra

Find the value of the constant kk such that the equation

(x2−4x)2−2k(x2−4x)+k2−9=0(x^2-4x)^2-2k(x^2-4x)+k^2-9=0

has exactly three distinct real solutions for xx.

A−7-7
B−5-5
C−1-1
D33
E55
F77

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