Binomial TheoremHard
Question
If the expansion of (3x + 2)-1/2 is valid in ascending powers of x, then x lies in the interval.
Options
A.(0, 2/3)
B.(3x + 2)-1/2 has infinite expansion when 
< 1
< 1C.(-2/3, 2/3)
D.(-∞, -3/2) ∪ (3/2, ∞)
Solution
(3x + 2)-1/2 has infinite expansion when < 1
⇒ x ∈
< 1⇒ x ∈
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