Mathematics
Undergraduate
Solved
なぜこの答えになるのかが分かりません。
お願いします。
(5) 4x² +12x² +9=0
? A với co
4 A² + 12 A 19 = 0
( 2A 13 ) ² = 0
(22² + 3)² = 0
2x²+3=02
√6
2² i
2
ゆえに、二土
2=+3;
22²² = -3
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