The number of real solutions of the equation \( -x^{2}+x-1=\sin ^{4} x \) is
(A) 1
(B) 2
(C) 0
(... VIDEO
The number of real solutions of the equation \( -x^{2}+x-1=\sin ^{4} x \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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(C) 0
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