Hi MHF

Before I continue I would like to ask you guys for some help.

I want to know where/how can I practice hard Algebra questions?

How did you guys get so good? Any tips? Any book? Any website?

Thanks

Now, for the question

We have to find the value of when , and are real numbers.

Following three equalities:

First, from the first two equations we have (this is actually in the question)

Next using

We have

I know NOTHING about this question. It asks to find and ;all these equations are given.

So,

any tips?

Last time I asked something here I got a really good response and actually got to know that I had missed somethings in school.

Am I missing out something?

Thanks a lot!!!