Aljabar
Selisih dua kuadrat
a² - b² = (a + b)(a - b)
*
48 p⁴ - 3 q⁴ = 3 (16 p⁴ - q⁴)
48 p⁴ - 3 q⁴ = 3 ( 4p² + q²)(4p²- q²)
48 p⁴ - 3 q⁴ = 3 (4p² + q²)(2p + q)(2p - q)
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Aljabar
Selisih dua kuadrat
a² - b² = (a + b)(a - b)
*
48 p⁴ - 3 q⁴ = 3 (16 p⁴ - q⁴)
48 p⁴ - 3 q⁴ = 3 ( 4p² + q²)(4p²- q²)
48 p⁴ - 3 q⁴ = 3 (4p² + q²)(2p + q)(2p - q)
= 3(16p⁴ - q⁴)
= 3( (4p²)² - (q²)²)
= 3(4p² - q²)(4p² + q²)