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prove that [1-2n +2n(n-1)/2!] - [2n(2n-1)(2n-2)/3!]...+[(-1) n-1 2n(2n-1)...(n+2)/(n-1)!] = (-1) n+1 (2n)!/1(n!) 2
dear student, applying binomial theorwm in the given question, 1) put n= 1 2) put n=k 3) put n= k+1 Don’t forget to approve the answer if it is beneficial to you… !! We are all IITians and here to help you in your IIT JEE preparation. Now you can win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian. Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar : Click here to download the toolbar.. AMAN BANSAL
dear student,
applying binomial theorwm in the given question,
1) put n= 1
2) put n=k
3) put n= k+1
Don’t forget to approve the answer if it is beneficial to you… !!
We are all IITians and here to help you in your IIT JEE preparation.
Now you can win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar : Click here to download the toolbar..
AMAN BANSAL
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