Question

if 5 power x+1 + 5 power x-1 = 650 then find x power x​

Answer 1

X=3

step by step explaination

5^x+1+5^x-1=650

5^x.5+5^x.1/5=650

5^x.(5+1/5)=650

5^x.(25+1)/5=650

5^x.(26/5)=650

5^x.(26)=650*5

5^x=3250/26

5^x=125

5*5*5=125

5^3=125

X=3