Question

Help me please :)
question below!!!

Answer 1

\[\huge\frac{ 3^{2n} \times 25^{2n-1} }{ 15^{n-1} }\]

Answer 2

@Azteck

Answer 3

\[25^{2n-1}=5^{2(2n-1)}\]

Answer 4

\[15^{n-1}=(3\times 5)^{n-1}\]

Answer 5

\[=3^{n-1}\times 5^{n-1}\]

Answer 6

Now it's just about collecting like terms.
\[\frac{ 3^{2n} }{ 3^{n-1} }=?\]

Answer 7

\[\huge3^{n+1}\]?

Answer 8

Yep good.

Answer 9

Do the same for the 5.

Answer 10

\[\huge5^{3n +1}?\]

Answer 11

And then once you did that, it's 3^n+1 time 5^?

Answer 12

i mean minus one sorry

Answer 13

times*

Answer 14

Not quite. Very close. I'ts 3n-1

Answer 15

ok cool

Answer 16

thanks

Answer 17

Yeah.

Answer 18

Good job mate.