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Yang tdk saya jawab berarti soalnya Blur yamenambahkan no 32.
disini x diganti n. (masalah susah ngetik :D
5²ⁿ+¹-26.5ⁿ+5=0
5²ⁿ.5-26.5ⁿ+5=0
5ⁿ= x(dimisalkan)
5x²-26x+5=0
x1=5
x2=1/5
maka
n1=-1
n2=1
jumlah akar akarnya= -1+1 = 0