25r⁴- 40r²t² + 16t⁴=.......................
Matematika
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Pertanyaan
25r⁴- 40r²t² + 16t⁴=.......................
1 Jawaban
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1. Jawaban newwiguna
25r⁴- 40r²t² + 16t⁴ = (5r² - 4t²)²