What is the general term in the expansion of (2y-4x)44?
44Cr (2y)r (4x)44-r
45Cr (2y)r (-4x)45-r
44Cr (2y)r (-4x)44-r
44Cr (2y)r(-4x)44-r
What is the general term in the binomial expansion of (1+2x)n
The negation of q ∨∼(p∧r) is ___.
nCr÷nCr−1 =