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

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 what are the roots of the problem in northern ireland? Match the words in columns Aand B .Write the names of the jobs 么意思 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 把这段英语对话补充完整A:You are very nice in white.B:AAnd your hat ______ nice,too.B:A:You are very nice in white.B:__________ _____.AAnd your hat ______ nice,too.B:__________. The roots of the difference between Aand B,还是the differences between A and Bdifference 什么时候用复数什么时候不用复数啊? Is the glass that is ()water yoursA full of B filled with C Aand B D covered with 如果a 和 b 是 x（2x-7）+1=0的根,用x重组另一个二次方程,它的根是a 和 b 的 负数倒数.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 reciproc roots 英文,Na,the roots of troublesNa,the roots of troubles THE ROOTS OF ROMANTICISM怎么样 The family ( )a child is noisy选项Aand Bhave CwithDtake the rice we eat is______ a.roots b.fruits c.leaves d.seeds PLase take the medicine three times a day ________you will get better.Aand B.but C.or D.because 要翻译 帮忙翻译“There are two lasting bequests we can give our children :One is roots.The other is wings the plants have roots under the ground. the roots to the leaves是什么意思