Answer to Question #103702 in Algebra for Sourav mondal

Question #103702
Use the Cauchy-Schwarz inequality to solve x³-25x²- 4x+ 100= 0 if we know that all its roots are rational.
1
Expert's answer
2020-02-28T10:12:01-0500

x325x24x+100=0x^{3}-25x^{2}-4x+100=0 then x2(x25)4(x25)=0x^{2}(x-25)-4(x-25)=0 then (x24)(x25)=0(x^{2}-4)(x-25)=0 hence x1=2,x2=2,x3=25x_1=2,x_2=-2,x_3=25


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment