Question

(1/3 x²-9)(1/3x²-9) using identity​

Answer 1

Step-by-step explanation:

(1/3x²-9) ²

using identity (a-b) ²=a²+b²-2ab

(1/3x²-9) ²=(1/3x²) ²+(9) ²-2(1/3x²) (9)²

=1/9x⁴+81-6x² answer

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