If x = 1 / 2 - root3 find the value of x3 - 2x 2 -7x+5 Show that (1 - Maths - Number Systems

Question

If x = 1 / 2 - root3 find the value of x3 - 2x
2 -7x+5
Show that (1 / 3 - root8 ) - (1/ root 8 - root 7 ) +(1 / root 7
- root6) - (1/ root 6 - root 5) +(1 / root 5 - 2 ) = 5

Lalit Mehra · Accepted Answer

Hi! Here is the answer to your question 1

2

Cheers!

If x = 1 / 2 - root3 find the value of x3 - 2x 2 -7x+5 Show that (1 / 3 - root8 ) - (1/ root 8 - root 7 ) +(1 / root 7 - root6) - (1/ root 6 - root 5) +(1 / root 5 - 2 ) = 5

If x = 1 / 2 - root3 find the value of x³ - 2x ²-7x+5

Show that (1 / 3 - root8 ) - (1/ root 8 - root 7 ) +(1 / root 7 - root6) - (1/ root 6 - root 5) +(1 / root 5 - 2 ) = 5