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CBSE Class 11-science Answered

please answer
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Asked by gdeadshot85 | 12 Jan, 2023, 10:32: AM
answered-by-expert Expert Answer
From binomial theorem , independent term t4 of binomial expansion of begin mathsize 14px style open parentheses 2 x space plus space fraction numerator 1 over denominator 3 x squared end fraction close parentheses to the power of 9 end style is
begin mathsize 14px style t subscript 4 space equals space C presubscript blank presuperscript 9 subscript 3 left parenthesis 2 x right parenthesis to the power of 6 space open parentheses fraction numerator 1 over denominator 3 x squared end fraction close parentheses cubed space equals space C presuperscript 9 subscript 3 space cross times space 2 to the power of 6 space cross times 1 over 3 cubed end style

begin mathsize 14px style t subscript 4 space equals space fraction numerator 7 cross times 8 cross times 9 over denominator 1 cross times 2 cross times 3 end fraction space cross times space 2 to the power of 6 space cross times 1 over 3 cubed space equals space 7 space cross times 2 to the power of 8 over 3 squared end style
 
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Answered by Thiyagarajan K | 12 Jan, 2023, 01:02: PM

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