Hi there,
Could somebody help me with these questions, explaining the solutions and maybe providing some good references for learning?
1)i) Simplify
ii) Find
iii) Find
2)i) Evaluate
ii)
iii)
I'd be very appreciative with some help in understanding/solving these types of question.
Regards,
Memorize this table.
Once you have done that completely, then powers are very easy.
If then consider .
Divide by 4 and take the remainder then . You have memorized that value.
Example: because the remainder of 35 divided by 4 is 3.
Now what if such as .
Change that as follows: .
Another example:
BTW: If you have more than one character in an exponent, set off the whole exponent in braces.
[tex]i^{-3}[/tex] gives instead of .