Simplify (x^2+y^2+z^2)(x^2-y^2-z^2)
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Answer:
x⁴ - y⁴ - z⁴ - 2y²z²
Step-by-step explanation:
it is in the form of (a + b) × (a - b) = a² - b²
=>[x² + (y² + z²)] [x² - (y² + z²)]
=> x⁴ - (y² + z²)²
=> x⁴ - y⁴ - z⁴ - 2y²z²
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