If 3x^(2)- ax + 9 = ax^(2) + 2x + 5 has ...

If `3x^(2)- ax + 9 = ax^(2) + 2x + 5` has only one (repeated ) solution , then the positive integral solution of a is

A

a) 4

B

b) 3

C

c) 2

D

d) 5

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The correct Answer is:

C

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