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CGP EDU Academic Team
Published on: August 13, 2026
Find the terms independent of 'x' in the expansion of 
.
Text Solution
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Sol. Let T r + 1 is independent of x = T r + 1 = 10 C r (2x) 10–r .(–1) r . 1/x r
= 10 C r 2 r . (–1) r x 10–2r for terms to be independent
10 – 2r = 0, r = 5
so term is T 6 = – 10 C 5 ⋅ 2 5
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