Question

do quickly as much as possible​

Answer 1

Step-by-step explanation:

u just have to square the 1st equation on both the sides and u will get the answer

Answer 2

Answer:

Step-by-step explanation:

(m-1/m)^2 = m^2 + 1/m ^2 - 2*m*1/m

3^2 = m^2 + 1/m ^2 - 2

9 = m^2 + 1/m ^2 - 2

9+2 = m^2 + 1/m ^2

m^2 + 1/m ^2 = 11

Hence, proved.