If for some prove that is a constant independent of a and b.
On differentiating equation (i) w.r.t. x we get
Again, differentiating equation (ii) w.r.t x we get
Now,
It shows that is independent of a and b.
Hence proved.
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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