Q 1: In the expansion (x^{2}+1/x)^{n}, the coefficient of the 4th term is equal to the coefficient of the ninth term Find 6th term. Answer:

Q 2: Find the coefficient of x^{7} in the expansion of (x^{2}+1/x)^{11} Answer:

Q 3: Find the coefficient of a^{6}b^{3} in the expansion of (2ab/3)^{9} Answer:

Q 4: Find the coefficient of x^{2} in the expansion of (3x1/x)^{6} Answer:

Q 5: In the expansion (x^{2}+1/x)^{n}, the coefficient of the 4th term is equal to the coefficient of the ninth term Find n. Answer:

Q 6: Find numerically the greatest term in the expansion of (2+3x)^{7} when x = 4/5 Answer:

Q 7: Find the greatest term in the expansion of (23x)^{7} when x = 1. Answer:

Q 8: Find the coefficient of a^{6}b^{3} in the expansion of (2ab/3)^{9} Answer:

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