If coefficients of \[{{(2r+1)}^{th}}\] term and \[{{(r+2)}^{th}}\] term are equal in the expansion of \[{{(1+x)}^{43}},\] then the value of r will be [UPSEAT 1999]

If coefficients of \[{{(2r+1)}^{th}}\] term and \[{{(r+2)}^{th}}\] ter

1.	If coefficients of \[{{(2r+1)}^{th}}\] term and \[{{(r+2)}^{th}}\] term are equal in the expansion of \[{{(1+x)}^{43}},\] then the value of r will be [UPSEAT 1999]
A.	14
B.	15
C.	13
D.	16
Answer» B. 15

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If coefficients of \[{{(2r+1)}^{th}}\] term and \[{{(r+2)}^{th}}\] term are equal in the expansion of \[{{(1+x)}^{43}},\] then the value of r will be [UPSEAT 1999]

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