Is there anything wrong with my working (1 Viewer)

[=)(=]

 

[yanujw]

Use the ≥ symbol in the last two lines - you do not need to write equals and it makes your proof difficult to follow.

 

[=)(=]

Use the ≥ symbol in the last two lines - you do not need to write equals and it makes your proof difficult to follow.

Ohh thanks

 

[stupid_girl]

Use the ≥ symbol in the last two lines - you do not need to write equals and it makes your proof difficult to follow.

Equal sign is correctly used here.
Greater than or equal to sign is still mathematically correct but not preferable.

If someone claims t>=u=v, it means t>=u and u=v.

 

[=)(=]

ahh okay thx for the info