MHT CET · Maths · Application of Derivatives
The equation of tangent to the curve \(\mathrm{y}=\cos (x+\mathrm{y})\) where \(-2 \pi \leq x \leq 2 \pi\) and which is parallel to the line \(x+2 \mathrm{y}=0\), is
- A \(2 x+4 y+\pi=0\)
- B \(2 x+4 y-\pi=0\)
- C \(2 x+4 y-3 \pi=0\)
- D \(2 x-4 y+3 \pi=0\)
Answer & Solution
Correct Answer
(B) \(2 x+4 y-\pi=0\)
Step-by-step Solution
Detailed explanation
Given curve: \(y = \cos(x+y)\) Differentiate implicitly with respect to \(x\):
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