If a : b = 3 : √5, then the value of (2a + b) : (3a - 2b) is: – McqOptions

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1.	If a : b = 3 : √5, then the value of (2a + b) : (3a - 2b) is:
A.	\(\frac{1}{{61}}(64 + 21\sqrt 5 )\)
B.	\(\frac{1}{{64}}(64 + 21\sqrt 5 )\)
C.	\(\frac{1}{{63}}(64 + 21\sqrt 5 )\)
D.	\(\frac{1}{{62}}(64 + 21\sqrt 5 )\)
Answer» B. \(\frac{1}{{64}}(64 + 21\sqrt 5 )\)

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