If 3x + 2 ≥ x -1 and 2x - 4 ≤ 2 x/3; then x can take which of the following values?
1). -2
2). 3
3). 5
4). -1
1. .If a + b = 10 and ab = 21, then the value of $(a-b)^{2}$ is
2. If a3 + b3 + c3 – 3abc = 0 then, which one is correct?
6. Find the degree of the polynomial 8x4 + 2x2y3 + 4?
7. Which of the following is not a quadratic equation?
8. If (a – 1/a) = 3/4, find the value of (a3 – 1/a3).
10. The value of x for which the expression 11x + 7 and 17x - 1 become equal is__________