If ^ -1 x+ ^ -1 y= 3 and ^ -1 ( 1x )- ^ -1 ( 1y )=0 then 2x^2+y^2-xy=

MHT CET 2025 Mathematics question

If and then

Answer: (C)

is one-one on its principal range, so gives , i.e. . Then \sin^{-1}\frac$3⇒x=6⇒

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Question ID VK-101827