Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Differential Calculus Applications of Derivatives
If x - 2y + k = 0 is a tangent to the parabola y2 - 4x - 4y + 8 = 0, then the slope of the tangent drawn at (l, k) on the given parabola is
1
\(\frac{-5}{2}\)
2
2/5
3
-2
4
More than one of the above
5
None of the above