b=-100
common root is 1
\hspace{-16}$If two equations $\bf{ax^4+bx^3+c=0}$ and $\bf{cx^4+bx^3+a=0}$ have one root\\\\ in common.\; Then find all the possible values of $\bf{b}$ ,if $\bf{a+c=100}$ \\\\ and also the common root.
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3 Answers
36i think there are two common roots 1 and -1
and the possible val. of b are 100 and -100
jst a guess... nt sure..
