If \[({{x}^{2}}+3x+5)({{x}^{2}}-3x+5)={{m}^{2}}-{{n}^{2}}\]then m=____ – McqOptions

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1.	If \[({{x}^{2}}+3x+5)({{x}^{2}}-3x+5)={{m}^{2}}-{{n}^{2}}\]then m=_____.
A.	\[{{x}^{2}}-3x\]
B.	\[3x\]
C.	\[{{x}^{2}}+5\]
D.	Both (a) and (b)
Answer» D. Both (a) and (b)

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