यदि 3a + 4b : 2a - b = 11 : 5 है, तब \(\dfrac{a^3+b^3}{a^2-ab+b^2}\) का मान ज्ञात कीजिए। 

1
\(\dfrac{38}{7}\)a
2
\(\dfrac{38}{7}\)b
3
\(\dfrac{31}{7}\)b
4
\(\dfrac{29}{7}\)b

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