微积分 求证明
1.[1-R^(n+1)]/(1-R)=1+R+R^2.....R^n求证明!2.找到一个方式能把每一个正有理数,r1,r2,r3,r4,r5....包括每一个有理r,0...
1. [1-R^(n+1)]/(1-R)=1+R+R^2.....R^n
求证明!
2. 找到一个方式能把每一个正有理数, r1,r2,r3,r4,r5....包括每一个有理r,0
2. Try to find a way of counting every positive rational number, that is , form a sequence r1,r2,r3,r4....that includes (perhaps with repeats) every rational r with 0 ≤ r. what can you conclude.
谢谢 急求答案ing
如果n是自然数 求证 [(1+根号5)^n -(1-根号5)^n]/ 2^n * 根号5 也是自然数 展开
求证明!
2. 找到一个方式能把每一个正有理数, r1,r2,r3,r4,r5....包括每一个有理r,0
2. Try to find a way of counting every positive rational number, that is , form a sequence r1,r2,r3,r4....that includes (perhaps with repeats) every rational r with 0 ≤ r. what can you conclude.
谢谢 急求答案ing
如果n是自然数 求证 [(1+根号5)^n -(1-根号5)^n]/ 2^n * 根号5 也是自然数 展开
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