Question

Question 12 If m + 2n = 4 and mn =1 find m3 + 8n3 ​

Answer 1

Step-by-step explanation:

m+2n=4

m=1/n

1/n+2n=4

1+2n^2=4n

2n2-4n+1=0

then find m, n value then we get answer