Question

If



= (

2

5

)

2

× (

2

3

)

−4

, find the value of (





)

−2​

Answer 1

Answer:

2

4

×2

5

=(2

3

)

x

but m

x

×m

y

=m

x+y

∴2

4+5

=2

3x

⇒2

9

=2

3x

⇒3x=9⇒x=3