计算a方-3a+1=0求a方⼀a的4次方+1

2025-02-24 01:22:46
推荐回答(1个)
回答1:

a^2-3a+(3/2)^2=9/4-1
(a-3/2)^2=5/4
a-3/2=土5/4
a1=11/4
a2=1/4
则:1.=(11/4)^4+1=14641/256+1=14897/256
2.=(1/4)^4+1=257/256