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Let aa n db be the coefficients of x^3 i...

Let `aa n db` be the coefficients of `x^3` in `(1+x+2x^2+3x^3)^4a n d(1+x+2x^2+3x^3+4x^4)^4,` then respectively. Then the value of `4a//b` is.

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Let aa n db be the coefficients of x^3 in (1+x+2x^2+3x^2)^4a n d(1+x+2x^2+3x^3+4x^4)^4, then respectively. Then the value of 4a//b is.

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