If someone could help me slove a few exercises ,I realy need them?
I would need them by Wednesday.
And sorry me english is bad.
Here they are:
Will help with a couple... Please show any working so we know what you have done. I'll give you the answers as well but you'll need to some of your own working...
Then use .
Use the fact that and replace and with and .
ANSWER: (however this can be further simplified, I'll leave that up to you, use the hint in the next question)
, hence for this question... so . Substitute in the equation.