If a is a root of 4x²+2x-1=0, then the other root is
1)3a³-4a 2) 4a³-3a 3) 3a³+4a
4) 4a³+3a
If a is a root of 4x²+2x-1=0, then the other root is
1)3a³-4a 2) 4a³-3a 3) 3a³+4a
4) 4a³+3a
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