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Question 5 - Algebra Practice | Prasnya
Q5
00:00
26 Nov 2017
Q5.
If
9
2
x
−
1
−
81
x
−
1
=
1944
9^{2x-1} - 81^{x-1} = 1944
9
2
x
−
1
−
8
1
x
−
1
=
1944
, then x is
A
3
B
9/4
C
4/9
D
1/3
Save
Check
Details
Q5
00:00
26 Nov 2017
Q5.
If
9
2
x
−
1
−
81
x
−
1
=
1944
9^{2x-1} - 81^{x-1} = 1944
9
2
x
−
1
−
8
1
x
−
1
=
1944
, then x is
A
3
B
9/4
C
4/9
D
1/3
Save
Check
Details
