Question

2\ 1-( 1 5 )^ n \ 1- 1 5 = 62 /25​

Answer 1

Answer:

Solution

5

n

×25

n−1

÷(5

n−1

×25

n−1

)

It can be written as

=5n×25

n−1

×

(5

n−1

×25

n−1

)

1

By further calculation

=5

n

×

5

n−1

1

So we get

=5

n–n+1

=5

1

thank you ♥