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What is -2a(3-a) equivalent to
asked
Sep 22, 2016
Mathematics
high-school
1
answer
3
votes
33.0k
views
The angle of incidence (i) is _____ to the angle of the reflection (r). This is known as the Law of ______. Can someone please help me fill in the gaps?
asked
Feb 22, 2016
Physics
middle-school
1
answer
4
votes
14.0k
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