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In the expansion of `(1+ax+bx^(2))(1-3x)^(15)`, if coefficient of `x^(2)` and `x^(3)` is 0 then ordered pair `(a,b)` is equal to

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In the expansion of `(1+ax+bx^(2))(1-3x)^(15)`, if coefficient of `x^(2)` and `x^(3)` is 0 then ordered pair `(a,b)` is equal to
A. `(28,325)`
B. `(18,315)`
C. `(28,315)`
D. `(18,325)`
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Correct Answer - C
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