(i) Let f(x)=2x^4+3x^3+a(x^2+x)+b.2x^2+3x-2=(2x-1)(x+2)f(1/2)=0 and f(-2)=0 since (2x-1)(x+2) is a factor of f(x).Since f(1/2)=0,2(1/2)^4+3(1/2)^3+a|(1/2)^2+(1/2)+b=01/8+3/8+a(3/4)+b=01/2+3/4a+b=02+3a+4b=0……...
complete tasks, and make decisions like human beings—a very different approach from today’s generative AI art programs, which don’t draw from scratch (从头开始) but rather rely on databases of images. Versions of
Two-factor authentication (2FA) adds an extra layer of security to user logins. It helps organizations strengthen defenses against unauthorized access.
翻译：如果n和m是正整数，m是62的因子，那么 62=2x31 m is a factor of 62,=> m=1 or 2, or 31 or 62 n and m are positive integers 3n= 36/m m=1 =>n=12 m=2, =>n=6 m=31, =>n= 12/11 ( rej )m=62, =>n=6/31 (rej)the greatest possible number of integers...
Two factor authentication(2FA), also known as Two Step verification (2 factor authentication), is a security process requiring users to provide two forms of identification to access their accounts or data. 2FA provides an extra security layer beyond the traditional username and password login. The...
With 2FA, a potential compromise of just one of these factors won’t unlock the account. So, even if your password is stolen or your phone is lost, the chances of a someone else having your second-factor information is highly unlikely. Looking at it from another angle, if a consumer use...
of 20, then 3 must be a factor of (10-q), which means the only possible values of q are...
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factor 50=5*10factor 51=3*17factor 52=4*13factor 53prime 54=2*3*9,factor 55=5*11,factor 56=7*8,factor 57=3*19,factor 58=2*29,not a factor and not a prime So 58 is the least positive integer that is not a factor of 25! and is not a prime number.什么...
We show quite generally that at a temperature above any ordering tendency, strong interactions shift the QSH effect to quarter filling with a decrease of the spin Chern number by a factor of two. However, the spin susceptibility exhibits a peak indicating a tendency to ferromagnetism as the ...