If the coefficients of `x^(2)` and `x^(3)`are both zero, in the expansion of the expression `(1 + ax + bx^(2)) (1 - 3x)` in powers of x, then the orde - Sarthaks eConnect

If the coefficients of `x^(2)` and `x^(3)`are both zero, in the expansion of the expression `(1 + ax + bx^(2)) (1 - 3x)` in powers of x, then the ordered pair (a,b) is equal to
A. -28315
B. (-54,315)
C. (-21 , 714)
D. -24861

If the coefficients of `x^(2)` and `x^(3)`are both zero, in the expansion of the expression `(1 + ax + bx^(2)) (1 - 3x)` in powers of x, then the orde

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