To find the term independent of *x* in a binomial expansion, set the exponent of *x* in the general term to zero and solve for *r*. It is a straightforward calculation, yaar, but one must be careful with algebraic manipulation. I remember solving these problems under the dim light of my study table, the ache in my shoulder a constant reminder of the hours spent. For me, the true "term independent of *x*" was the quiet satisfaction in finally getting it right, a small victory in the long monsoon of preparation.
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