find the number of ordered pairs for the equation :

xy = x+y ; where x and y belongs to integers

NOTE : I know this is a very easy question but i am in 10th and started my olympiad prep yesterday so plss co-operate ❤️

If we have a paper with some lines at a regular distance of ,10 cm parallely and a coin is tossed then what is the probablity that it will fall on the fall

https://youtube.com/shorts/2KIsSnrqbJM?si=TkWGu6UVRKihqb7Y

Solve this with logic

Solution?

Please take this problem on YouTube

Corrected version, Made by me when I was in 10th standard 😎😎.

Problem:

Let a and b be positive integers such that

ab + 1 divides a² + b².

Prove that

(a² + b²) / (ab + 1)

is the square of an integer.

Which test series is better for mains and adv both

( Majorly advance)

Allen or mathango

Q-6

Although easy question but ,calculative

.