Question

2m+m/1​=3√2​ find8m^3+1/m^3​

Answer 1

2m+(m/1)=3√2

=> 2m + m = 3√2

=> 3m = 3√2

=> m = √2

put the value we get,

8m^3+1/m^3

= 8(√2)^3 + 1/(√2)^3

= 8(2√2) + 1/2√2

= { 8(2√2)^2 + 1 }/2√2

= { 8×8 + 1 } /2√2

= 65/2√2