Question

if2 power x-2=7 find 2 power x+3
​

Answer 1

Answer=Correct option is C)

2

x

−2

x−1

=4

2

x

−2

x

2

−1

=4

2

x

(1−

2

1

)=2

x−1

=4=2

2

∴ x−1=2

from this we get x=3

x

x

=3

3

=27