TS EAMCET · Maths · Binomial Theorem
The term independent of \(x\) in the expansion of \(\left(x-\frac{2}{\sqrt{x}}\right)^{21}\) is
- A \({ }^{21} C_{15}(-2){ }^{15}\)
- B \({ }^{21} C_{14} 2^{14}\)
- C \(-{ }^{21} C_7(2)^7\)
- D \(-{ }^{21} C_7 2^{14}\)
Answer & Solution
Correct Answer
(B) \({ }^{21} C_{14} 2^{14}\)
Step-by-step Solution
Detailed explanation
Let \((r+1)\) th term independent of \(x\).…
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