f(x)=-√x-1 এর বিপরীত ফাংশন f-1(x) হয় তবে দেখাও যে, f(f-1(x))=f-1(f(x)) (If f-1(x) is inverse function of f(x)=-√x-1, then show that f(f-1(x))=f-1(f(x)))
dsuc.created: 2 years ago |
dsuc.updated: 2 years ago
dsuc.updated: 2 years ago
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