# completely stuck on maths

Watch
#1
I’ve got a question I’m super confused about, can anyone help?

Write in the form x^n:

a) √x^5

b) x^6/x^3
0
6 months ago
#2
Hi there op.

and think about the laws of exponents. Division of two bases to their powers is the same as subtracting the powers.

Lastly:
Last edited by tHe237046; 6 months ago
2
#3
(Original post by tHe237046)
Hi there op.

and think about the laws of exponents. Division of two bases to their powers is the same as subtracting the powers.

Lastly:
So for part b it’s x^3?? That makes sense now thanks. Part a is still confusing me sorry, so if the power is a fraction it’s the root of the number but the denominator determines which root it is, is the answer (x^5)^1/2??
0
6 months ago
#4
(Original post by maniccrammer)
So for part b it’s x^3?? That makes sense now thanks. Part a is still confusing me sorry, so if the power is a fraction it’s the root of the number but the denominator determines which root it is, is the answer (x^5)^1/2??
Yes, now can you simplify it?

(HINT: Use the last formula that user tHe237046 provided in post).
1
#5
(Original post by simon0)
Yes, now can you simplify it?

(HINT: Use the last formula that user tHe237046 provided in post).
X^2.5??
0
6 months ago
#6
(Original post by maniccrammer)
X^2.5??
Yes, you got it.
0
#7
(Original post by ghostwalker)
Yes, you got it.
Thank you for your help, I’m sure once I’m back in class it’ll be easier but atm I’m so rusty lmao
0
X

new posts
Back
to top
Latest
My Feed

### Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

### See more of what you like onThe Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

### Poll

Join the discussion

Yes (256)
33.82%
No (501)
66.18%