The roots of the tree,——water is absorbed,should be well protectedA of which B through which 哪个对?求详解

The roots of 英文,Na,the roots of troublesNa,the roots of troubles THE ROOTS OF ROMANTICISM怎么样 CHINA THE ROOTS OF MADNESS怎么样 The direction of roots' growing is always ( ) what are the roots of the problem in northern ireland? 英语翻译翻译这个句子：Sword for the roots of 翻译:the leavers is falling that pursue of the wind or refuse of the roots what is the sum of the roots of 4x+3x-8=0? the plants have roots under the ground. the roots to the leaves是什么意思 what is the greatest number of real roots a polynomial of degree 4 can have?explain? we know the roots of friendship reach far earlier into a child's life. New shoots of bamboo will come up from around the roots of the old ones.求翻译啊. 英语翻译if a and b is the roots of the quadratic equation x（2x-7）+1=0,form a quadratic equation in x whose roots are the neagtive of the reciprocals（倒数） of a and b Aand B are the roots of the equation x2-4x+6=0(i) Find the value of 1 1--- + ---A B 1 1(ii) Find the quadratic equation whose roots are -- and --A B Express the roots of the equation 3x^2 = -2 (x+3) in a+bi form. list the possible rational roots of x^4+4x^3-2x^2-17x-6.list the possible rational roots of x^4+4x^3-2x^2-17x-6find all of the roots of the function above.Keep your work neat and organized