Question

If x-1/4= 1/6 find:
(a)x³+1/x³. step by step plzz​

Answer 1

Answer:

x=1/6+1/4=5/12

put value in equation ans is 13.896

Answer 2

Step-by-step explanation:

x-1/4=1/6

=>x=1/6+1/4=(4+6)/24=10/24=5/12

x^3+1/x^3

=(x)^3+(1/x)^3

=(x+1/x)^3-3.x.1/x(x+1/x)

=(5/12+12/5)^3-3(5/12+12/5)

={(25+144)/60}^3-3×(25+144)/60

=(169/60)^3-3×169/60

=(2.817)^3-8.451

=22.354-8.451

=13.903