Question

x^3-1/x^3=8 find x^5-1/x^5

Answer 1

Answer:

If x=7-1/x, then what is the value of x/x^2+x+1 =? 2,420 Views ... Putting the values from (1), (2) & (3), we get ... X^5+5x^4(1/x)^1+10x^3(1/ x)^2+10x^2(1/x)^3+5x^1(1/x)^4 ...

x+1/x=6 ……………..(1) Squaring both sides x^2+1/x^2+2=36 x^2+1/x^2=34 ………..(2) ...