Question

Chapter 5:Indices and Logarithms
Double checking.
simplify the following:
@ganeshie8

Answer 1

\[5^{2n}-5^{2n+1}-5^{2n-1}\]

Answer 2

\[5^{2n}-5^{2n}\times5^1-5^{2n}-5^{-1}\]

Answer 3

\[5^{2n}(1-1\times5-\frac{ 1 }{ 5 })\]

Answer 4

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

Answer 5

\[5^{2n}(-\frac{ 21 }{ 5 })\]

Answer 6

@ganeshie8

Answer 7

is my working correct?

Answer 8

looks good !

Answer 9

Thnx @ganeshie8