If \[{{(r+1)}^{th}}\] term is the first negative term in the expansion of \[{{(1+x)}^{7/2}}\], then the value of r is

If \[{{(r+1)}^{th}}\] term is the first negative term in the expansion

1.	If \[{{(r+1)}^{th}}\] term is the first negative term in the expansion of \[{{(1+x)}^{7/2}}\], then the value of r is
A.	5
B.	6
C.	4
D.	7
Answer» B. 6

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If \[{{(r+1)}^{th}}\] term is the first negative term in the expansion of \[{{(1+x)}^{7/2}}\], then the value of r is

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