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tmua.me Medium Set F Paper 2 · Q2

Paper 2Algebra

The real numbers aa and bb satisfy

3a+2b=7,2a+3b=8.3a+2b=7,\qquad 2a+3b=8.

What is the value of a2−b2a^2-b^2?

A−3-3
B−1-1
C11
D33
E99

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