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यदि फलन f(x) =(pisqrt(2) + cos^(-1) alph...

यदि फलन `f(x) =(pisqrt(2) + cos^(-1) alpha)x^(2) + 2 (cos^(-1)beta)x + pisqrt(2) - cos^(-1)alpha` का परिसर `[0,infty)` है, तो `|alpha-beta| + 2alpha beta+1` का मान ज्ञात कीजिए।

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