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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 1 · Q5
The values of λ so that f(x)= sin x- cos x-λ x+C decreases for all real values of x are:
The values of $\displaystyle \lambda$ so that $\displaystyle f(x)=\sin x-\cos x-\lambda x+C$ decreases for all real values of x are :
Official answer
(C)
$\displaystyle \lambda \geq \sqrt{2}$
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