If the coefficients of \[{{x}^{7}}\] and \[{{x}^{8}}\]in \[{{\left( 2+\frac{x}{3} \right)}^{n}}\]are equal, then n is [EAMCET 1983; Kurukshetra CEE 1998; DCE 2000; RPET 2001; UPSEAT 2001]

If the coefficients of \[{{x}^{7}}\] and \[{{x}^{8}}\]in \[{{\left( 2+

1.	If the coefficients of \[{{x}^{7}}\] and \[{{x}^{8}}\]in \[{{\left( 2+\frac{x}{3} \right)}^{n}}\]are equal, then n is [EAMCET 1983; Kurukshetra CEE 1998; DCE 2000; RPET 2001; UPSEAT 2001]
A.	56
B.	55
C.	45
D.	15
Answer» C. 45

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If the coefficients of \[{{x}^{7}}\] and \[{{x}^{8}}\]in \[{{\left( 2+\frac{x}{3} \right)}^{n}}\]are equal, then n is [EAMCET 1983; Kurukshetra CEE 1998; DCE 2000; RPET 2001; UPSEAT 2001]

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