Find the coefficient of `x^(3)` in the expansion of `(x^(2)+(1)/(3x^(3)))^(4)`

Find the coefficient of `x^(3)` in the expansion of `(x^(2)+(1)/(3x^(3)))^(4)`
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Find the coefficient of `x^(3)` in the expansion of `(x^(2)+(1)/(3x^(3)))^(4)`
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Last Answer : (d) Now, (x + 3)3 = x3 + 33 + 3x (3)(x + 3) [using identity, (a + b)3 = a3 + b3 + 3ab (a + b)] = x3 + 27 + 9x (x + 3) = x3 +27 + 9x2+27x Hence, the coefficient of x in (x + 3)3 is 27.

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