1 2 x 7x 6 July 8, 2019 16 32 64 128 1 2 * x 7x 6 7x 1 4 7x − 2 x 1 6x 14 X 1 )( x 2 7x 6 ) = 0 2 2 x 6 7x 13x 1 4x 1 7x 2 x 6 39 Bpt x 1 )( x 2 7x 6 Nguyên hàm 1 x 2 7x 6 2x 1 2 7x 6 ) - 5x 6x 1 x 2 7x 10 Bất phương trình x 1 )( x 2 7x 6 X 1 )( 4x 2 7x 6 X 2 7x 9 1 6 2lg 2x 1 )= lg x 2 7x 61 3 x 2 )+ 6 7x 1
