(1 ⁄ 2x² + 2/3y²)² - (1 ⁄ 2x² - 2/3y²)²
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Answer:
it is in the form of a²-b²
=>(1/2x²+2/3y²+1/2x²-2/3y²)(1/2x²+2/3y²-1/2x²+2/3y²)
=>(2/2x²)(4/3y²)
=>4/3x²y²
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