Question

when ( 77^77 ) +77
${77}^{77} + 77$
is devided by 78 ,then what is the remainder ?​

Answer 1

Step-by-step explanation:

let 77 be x => 78=77+1=x+1

x^x +x / x+1

f(x)=x^x+x when divided by x+1 remainder is f(-1)=-1^-1 -1=-2

remainder =-2

as remainder is-ve, you have to add 78

= 78-2=76 is the remainder