engineering recuitment MAHAGENCO Technician Mock Test Series 2025 Quantitative Aptitude Algebra Polynomials
Find the values of a and b so that x4 + x3 + 8x2 + ax + b is divisible by x2 - 1.
1
a = 1, b = 7
2
a = -1, b = 7
3
a = 1, b = -7
4
a = -1, b = -9
5
None of these