Question

2a+1/3a =6,let's find the value of 4a²+1/9a²​

Answer 1

Answer:

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Answer 2

Answer:

(2a+1/3a)^2=6^2

1. 4a2+1/9a2 +2×2a× 1/3a =36

4a2 +1/9a2 +4/3 =36

4a2+ 1/9a2 = 36-4/3

4a2+ 1/9a2 =104/3

so answer is 104/3