-4a^2+1因式分解的结果应是( )A.-(4a+1)(4a-1) B.-(2a-1)(2a-1) C.-(2a+1)(2a+1) D.-(2a+1)(2a-1)

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-4a^2+1因式分解的结果应是()A.-(4a+1)(4a-1)B.-(2a-1)(2a-1)C.-(2a+1)(2a+1)D.-(2a+1)(2a-1)-4a^2+1因式分解的结果应是()A.-(

-4a^2+1因式分解的结果应是( )A.-(4a+1)(4a-1) B.-(2a-1)(2a-1) C.-(2a+1)(2a+1) D.-(2a+1)(2a-1)
-4a^2+1因式分解的结果应是( )
A.-(4a+1)(4a-1) B.-(2a-1)(2a-1) C.-(2a+1)(2a+1) D.-(2a+1)(2a-1)

-4a^2+1因式分解的结果应是( )A.-(4a+1)(4a-1) B.-(2a-1)(2a-1) C.-(2a+1)(2a+1) D.-(2a+1)(2a-1)
原式
=1-4a²
=(1+2a)(1-2a)
=-(2a+1)(2a-1)


选择D


一刻永远523

-4a²+1
=1-4a²
=(1+2a)(1-2a)
=-(2a-1)(2a+1)
选:D

选D,用平方差公式来分解