Question

a-(1/a)=b and b-(1/b)=a then (a+b)²=?​

Answer 1

Step-by-step explanation:

a-1/a= a²-1/a =b

a2-1=ab --A

b-1/b = b²-1/b=a

b²-1=ab --B

from A and B

a²-1 = b²-1

a²-b²=(a+b)(a-b)=0

a=+/-b

if a=b then (a+b)²= (2a)²= 4a²

if a=-b => a+b=0 then (a+b)²=0²=0