Compute 1/[r-1] + 1/[s-1] + 1/[t-1] given that r,s and t are the rootes of x^3 -2x^2 +3x -4 = 0?
2 Answers
Jun 8, 2017
Explanation:
Jun 8, 2017
The answer is
Explanation:
If the roots of the equation
are
Therefore,
The denominator is
The numerator is
Therefore,