Year 12s: what will be the first way you research your future options? >>

Math question

Jidde

(16/9x^4)^-3/2 Please simplify. Thanks

Reply 1

Shaanv

What have u tried? How well do u know ur laws of indicies?

Reply 2

Jidde

I know quiet well but... On this I'm blank.

Reply 3

Shaanv

Original post by Jidde

I know quiet well but... On this I'm blank.

To start use the fact that (a/b)^-c= (b/a)^c.

Then next have a look at the brackets and consider rewriting each term in terms of z^2. Where z represents a number/term.

Let me know how u get on

Reply 4

Jidde

According to that I've got something like 27x^6/64 by simplifying as far as I could go

Reply 5

Jidde

Original post by Shaanv

To start use the fact that (a/b)^-c= (b/a)^c.

Then next have a look at the brackets and consider rewriting each term in terms of z^2. Where z represents a number/term.

Let me know how u get on

Sorry I'm new to this... Also I've got to sleep. Let me know if I need some improvement on this. I'll check back when I wake up