quadrato del binomio 1-1
Contributed by: Lello

__1. (-a+b)2=A. a4+2a2b2+b4
__2. (2a+b)2=B. 9a2 + 1 - 6a
__3. (2b-3a)2 =C. a4+6a2b+9b2
__4. (3a - 1)2 =D. 16a4+ 9b2 + 24a2b
__5. (3a-2b)2=E. 9a2-12ab+4b2
__6. (a+2)2 =F. a2+4a+4
__7. (a-2b)2=G. 4a2+b2+4ab
__8. (a2 + 3b)2=H. a2+4b2-4ab
__9. (a2+b2)2=I. 4b2 + 9a2 - 12ab
__10. [(-2a)2 + 3b]2 =J. a2-2ab+b2
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Answer Key

1.J  2.G  3.I  4.B  5.E  6.F  7.H  8.C  9.A  10.D 

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