Number of Middle Terms
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Q. If the three consecutive coefficient in the expansion of (1+x)n are 28, 56 and 70, then the value of n is
Q. If the three consecutive coefficient in the expansion of (1+x)n are 28, 56 and 70, then the value of n is
Q. If the three consecutive coefficient in the expansion of (1+x)n are 28, 56 and 70, then the value of n is
Q. Find the coefficient of t32 in the expansion of (1+t2)12(1+t12)(1+t24)
Q. Find the sum of the last eight coefficients in the expansion of (1+x)15