जर 2 + b 2 + c 2 = ab + bc + ca असेल, तर \(\rm \frac{11a^4+13b^4+15c^4}{16a^2b^2+19b^2c^\(1\frac{1}{3}\) मूल्य 2+17c^2a^2}\) आहे:

1
\(\frac{1}{4}\)
2
\(\frac{3}{4}\)
3
\(1\frac{3}{4}\)
4
\(\rm \frac{11a^4+13b^4+15c^4}{16a^2b^2+19b^2c^2+17c^2a^2}\)

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