Progression (Sequence and Series)Hard
Question
The term independent of x in expansion of 
10 is :
10 is : Options
A.4
B.120
C.210
D.310
Solution
(x1/3 - x-1/2)10
Tr + 1 = 10Cr (x1/3)10 - r (x-1/2)r
20 - 2r = 3r
r = 4
T5 = T4+1 = 10C4
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