If the sum of the coefficients in the expansion of \[{{(x-2y+3z)}^{n}}\] is 128 then the greatest coefficient in the expansion of \[{{(1+x)}^{n}}\]is

If the sum of the coefficients in the expansion of \[{{(x-2y+3z)}^{n

1.	If the sum of the coefficients in the expansion of \[{{(x-2y+3z)}^{n}}\] is 128 then the greatest coefficient in the expansion of \[{{(1+x)}^{n}}\]is
A.	35
B.	20
C.	10
D.	None of these
Answer» B. 20

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If the sum of the coefficients in the expansion of \[{{(x-2y+3z)}^{n}}\] is 128 then the greatest coefficient in the expansion of \[{{(1+x)}^{n}}\]is

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