JEE MAIN - Mathematics Hindi (2022 - 24th June Evening Shift - No. 1)
माना $$x * y=x^{2}+y^{3}$$ तथा $$(x * 1) * 1=x *(1 * 1)$$ हैं ।
तो $$2 \sin ^{-1}\left(\frac{x^{4}+x^{2}-2}{x^{4}+x^{2}+2}\right)$$ का एक मान है -
$$\frac{\pi}{4}$$
$$\frac{\pi}{3}$$
$$\frac{\pi}{2}$$
$$\frac{\pi}{6}$$
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