CBSE Class 11-science Answered
Find Value of n: 22^55-55^22=7n ?
Asked by thebluebloo | 24 Jan, 2009, 06:54: AM
Expert Answer
n=(22^55-55^22) mod 7
22^55=(7*3+1)55 =1+55C1 21+...
55^22=(7*8-1)55 =11-55C1 56-....
2255-5522 = 55C1 35+..
Clearly:
2255-5522 mod 7 =0
Answered by | 15 Jun, 2009, 01:01: AM
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