Question

X+y = 9m এবং xy = 18m^3
হলে x-y এর মান কত? ​

Answer 1

Answer:

√(81m^2 -72m^3)

Step-by-step explanation:

Given, X+y = 9m

xy = 18m^3

we know,

(x-y)^2 = (x+y)^2 -4xy

(x-y)^2 = (9m)^2 -4 × 18 m^3

(x-y)^2 = 81m^2 -72m^3

x-y = √(81m^2 -72m^3)