If A = {integers between -2 and 4}, then n(A) = ___.
7
6
5
4
Given, A = {integers between -2 and 4}
Then, A = {-1, 0, 1, 2 , 3}
⟹ n(A) = 5
If A = {set of integers between -2 and 4}, then n(A) = ___.
If nP4 = 30nC5, then n =
If the points (a,1), (1,-1) and (11,4) are collinear then the value of a is