Question

expand : (x/3+6/x) whole square​

Answer 1

Answer:

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Step-by-step explanation:

( x/3 + 6/x )²

= (x/3)² + (6/x)² + 2 (x/3) (6/x)

= x²/9 + 36/x² + 4

= [ x⁴ + 36 (9) + 4 (9x²) ] / 9x²

= ( x⁴ + 324 + 36x² ) / 9x²

= ( x⁴ + 36x² + 324 ) / 9x²