Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Quadratic Equation
If α and β are the roots of the equation x2 − k(x + 1) − c = 0, the value of (α + 1) (β + 1) is equal to:
1
1
2
k ± c
3
1 − c
4
More than one of the above
5
None of the above