Question

25. If 4* - 4- = 24 then find the value of (2x).
26. If 8*+1
64, then find the value of 32x +1
27. If x-2 = 64, then find the value of x1/3 + xº.
28. If (23)2 = 44, then find the value of x3.
29. If (16)2x+3 (64)*+3, then find the value of 42x-2
3
81
30. If
then find the value of x.
3
16
X
2x
2
2
2
then find the​

Answer 1

Answer:

4  

x

−4  

x−1

=24

or 4  

x

(1−  

4

1

​

)=24

or 4  

x

 

4

3

​

=24

or 4  

x

=  

3

24×4

​

=32=2  

5

 

or 2  

2x

=2  

5

 or x=  

2

5

​

 

or 2x=5 or (2x)  

x

=(5)  

5/2

=5  

1

×5  

1

×5  

1/2

=25  

5

​