Question

(3/5)^3×(5/9)^6×a^m/a^6
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Answer 1

Answer:

1.1(a). The point E can be obtained by folding the square along the bisector of

angle BAC, so that AB is folded onto the diagonal with B landing on E. If F is

the point where the bisector intersects B C, then B F folds to E F. Thus E F -1