Question

3.) = 2 then find out the value of (10 gh? x j) + 90​

Answer 1

Answer:

We know that:

(x−y)2=(x+y)2−4xy

⇒(x−y)2=36−32=4

⇒x−y=±2

Now, when x−y=2 and x+y=6, we get x=4 and y=2

When x−y=−2 and x+y=6, we get x=2 and y=4

∴x=4,y=2 and z=0orx=2,y=4 and  z=0