Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
Authentication can be done by the issuer of the security.
What do you mean by authentication?
Authentication is the act of proving an assertion, such as a computer system user's identification. Authentication is the process of verifying a person's or thing's identity, as opposed to identification, which is the act of indicating that identity. It could entail validating personal identification documents, verifying the authenticity of a website with a digital certificate, carbon dating an artefact, or guaranteeing that a product or document is not counterfeit.
Only a party with access to particular company documents may authenticate a mutilated certificate. It is most likely the issuer, but it could also be the transfer agent or registrar.
To learn more about authentication
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import math
num1 = int(input("Enter a number: "))
num2 = int(input("Enter a number: "))
print(math.gcd(num1, num2))
The gcd() - greatest common divisor function, which is part of the math module works perfectly in this situation.
Answer:
In today's world, everyone using smartphones as it easily allow to communicate by using different types of features like texting, video, e-mail and by using internet we can run various types of applications.
Smartphones carries one of the main and important skills that is show our current location. By using various types of applications like Global positioning system (GPS), cell ID and wifi we can easily trace the location.
But there is different types of option according to the individual requirement as some people want privacy as they are not interested to share their location to anyone.
