The number of terms in the expansion of (2x  3y)^{8} is
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In the expansion of (a+b)^{n}, N the number of terms is:
Find the value of r, if the coefficients of (2r + 4)^{th} and (r – 2)^{th} terms in the expansion of (1 + x)^{18} are equal.
If the coefficients of 7^{th} and 13^{th} terms in the expansion of (1 + x)^{n} are equal, then n is equal to
What is the coefficient of x^{5} in the expansion of (1x)^{6 }?
In the expansion of the binomial expansion (a + b)^{n}, which of the following is incorrect ?
The middle term in the expansion of (x + y)^{10} is the
If in the expansion of (1+x)^{20}, the coefficients of r^{th} and (r+4)^{th} terms are equal, then the value of r is equal to:
The number of terms in the expansion of (x – y + 2z)^{7} are:
The number of terms in the expansion of (a + b + c)^{n} are:
The general term in the expansion of (a  b)^{n} is
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209 videos443 docs143 tests
