C candynl New member Xu 0 29/10/13 #1 gpt 1) log(x)(x+1) = log(4)(5) 2) log(2)( 3x-1) +1/log(x+3)(2) = 2+ log(2)(x+1) 3) log(3)[(x^2+x+3)/(2x^2 +4x+5)= 7x^2 +21x+14 4) 2^x - 2^(1-x) = log(2)[(1-x)/x]
gpt 1) log(x)(x+1) = log(4)(5) 2) log(2)( 3x-1) +1/log(x+3)(2) = 2+ log(2)(x+1) 3) log(3)[(x^2+x+3)/(2x^2 +4x+5)= 7x^2 +21x+14 4) 2^x - 2^(1-x) = log(2)[(1-x)/x]