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Please get me the solution of the first question. The correct answer is (d) 43.2 N ( Question pic included)? Find matrix A which, with respect to the standard basis, represents reﬂection of all points of R^2 about the y-axis? Graph theory two player game proof? What is the difference between the interference patterns seen by the Young’s double slit experiment and the Michelson interferometer? Which of the follow taxa utilizes buccal respiration?
A. Actinopterygii
B. Urochordata
C. Amphibia
D. Aves?