if n is a natural no then 6^n-5^n always ends with

Question

if n is a natural no then 6^n-5^n always ends with

in progress 0
Remi 2 weeks 2021-09-14T10:40:24+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-14T10:41:28+00:00

    Answer:

    6 {}^{n}  -  {5}^{n}  =( 5 + 1) ^{n}  -  {5}^{n} = 5 ^{n}  + (n c1) {5}^{n - 1} .....+ 1 -  {5}^{n}=  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: (nc1) {5}^{n - 1} .... +1 \: will \: end \:in \: 1

    0
    2021-09-14T10:42:17+00:00

    6^n: always end with 6

    5^n: always end with 5

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )