# Maths question

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#1
a=3^2b
Select the correct expression for 1/a
0
10 months ago
#2
(Original post by laila777)
a=3^2b
Select the correct expression for 1/a
No.
0
10 months ago
#3
Isn’t it -(2b/3) ?
0
#4
(Original post by Plücker)
No.
what is it then?
0
10 months ago
#5
(Original post by laila777)
a=3^2b
Select the correct expression for 1/a
What is the equivalent form of 1/a in index form, i.e.
0
#6
(Original post by Plücker)
No.
-3^2b ?
0
10 months ago
#7
its 1/9^-b
Last edited by Timo werner; 10 months ago
0
10 months ago
#8
You said select the correct answer so what are the options?
1
10 months ago
#9
(Original post by laila777)
-3^2b ?
No.

0
10 months ago
#10
Is it 3*2b?
0
10 months ago
#11
(Original post by Charlie101998)
Is it 3*2b?
No, but I think we're all waiting to see if the OP comes back
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10 months ago
#12
Its 3^-2b or 1/3^2b
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#13
(Original post by xxthesmartbanana)
its 3^-2b or 1/3^2b
thank you
0
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