Question 1145388
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The constant term is obtained by taking 3 of the x^2 terms and 6 of the (1/x) terms:<br>
{{{(x^2)^3*(1/x)^6 = x^6/x^6 = 1}}}<br>
So the coefficient of the constant term in the expansion is<br>
{{{(9C3)(1)^3*(-1)^6 = 9C3 = 84}}}