Question

find the value of 9^7/2-9^9/2÷9^5/2​

Answer 1

Step-by-step explanation:

use your phone calculator to answer this

Answer 2

Step-by-step explanation:

(

9

2

)

3

×(

9

2

)

6

=(

9

2

)

2m−1

⇒(

9

2

)

3+6

=(

9

2

)

2m−1

Since bases are same, we can equate the powers,

⇒9=2m−1

⇒2m=10 or m=

2

10

=5

∴m=5

Dont know whole but solve it from this method thank you