Ответ:
1) x4 - 5x2 - 2 = 0
((x)2 - 5x)2 = 2
x4 - 10x2 + 25x2 = 2
2) x4 +8x2 - 9 = 0
((x)2 + 8x)2 = 9
x4 + 16x2 + 64x2 = 9
3) 5x4 + 3x2 -2 = 0
((5x)2 + 3x)2 = 2
(25x2 + 3x)2 = 2
625x4 + 150x2 + 9x = 2
Объяснение:
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Answers & Comments
Ответ:
1) x4 - 5x2 - 2 = 0
((x)2 - 5x)2 = 2
x4 - 10x2 + 25x2 = 2
2) x4 +8x2 - 9 = 0
((x)2 + 8x)2 = 9
x4 + 16x2 + 64x2 = 9
3) 5x4 + 3x2 -2 = 0
((5x)2 + 3x)2 = 2
(25x2 + 3x)2 = 2
625x4 + 150x2 + 9x = 2
Объяснение: