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tmua.me Medium Set F Paper 1 · Q9

Paper 1Algebra

The real numbers xx and yy satisfy

2x+y=16,4x+4y=40.2^{x+y}=16,\qquad 4^x+4^y=40.

What is ∣x−y∣|x-y|?

A12\dfrac12
B11
C32\dfrac32
D22
E52\dfrac52
F44

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