Find a and b such that (x+1) and (x+2) are factors of polynomial x^3 +ax^2 -bx+ 10.
If A = A={x∈W:5<x<10},B={3,4,5,6,7} and C={x=2n ; n ∈ N and n ≤ 4 }. Find :
(i) A∩(B∪C)
(ii) (B∪A)∩(B∪C) (iii) B∪(A∩C) (iv) (A∩B)∪(A∩C)
Name the sets which are equal