Which of the following represents the family of the characteristic cur – McqOptions

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1.	Which of the following represents the family of the characteristic curves for parabolic equations?
A.	a <sub>x</sub>+b <sub>y</sub>=0
B.	a <sub>x</sub>+b=0
C.	a+ <sub>y</sub>=0
D.	a( <sub>x</sub>+ <sub>y</sub>)=0
Answer» B. a <sub>x</sub>+b=0

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