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The number of ordered pairs (x; y) where x, y ∈ N* such that x2y2 - 2(x + y) is perfect square is ..
The number of ordered pairs (x; y) where x, y ∈ N* such that x 2 y 2 - 2(x + y) is perfect square
is ...........
The number of ordered pairs (x; y) where x, y ∈ N* such that x2y2 - 2(x + y) is perfect square is ..
The sum of all possible natural number n such that : n2+n+1589 is a perfect square is
1. Determine all pairs of integer (x;y) such that 2xy^2+x+y+1x^2+2y^2+xy 2. Let a,b,c satisfies the conditions hept{begin{cases}5ge age bge cge0a+ble8a+b+c10end{cases}} Prove that 2a^2+b^2+c^2le38 3. Let a nad b satis fy the conditions hept{begin{cases}a^3-6a^2+15a9b^3-3b^2+6b-1end{cases}} Find the value ofleft(a-bright)^{2014} ? 4. Find the smallest positive integer n such that the number 2^n+2^8+2^{11} is a perfect square.
Đọc tiếp
1. Determine all pairs of integer (x;y) such that \(2xy^2+x+y+1=x^2+2y^2+xy\)
2. Let a,b,c satisfies the conditions
\(\hept{\begin{cases}5\ge a\ge b\ge c\ge0\\a+b\le8\\a+b+c=10\end{cases}}\)
Prove that \(2a^2+b^2+c^2\le38\)
3. Let a nad b satis fy the conditions
\(\hept{\begin{cases}a^3-6a^2+15a=9\\b^3-3b^2+6b=-1\end{cases}}\)
Find the value of\(\left(a-b\right)^{2014}\) ?
4. Find the smallest positive integer n such that the number \(2^n+2^8+2^{11}\) is a perfect square.
Let x,y be the positive integers such that \(3x^2+x=4y^2+y\) . Prove that x-y is a perfect integer.
Giải Toán Tiếng Anh đi chúng cậu!!!!
1) Find the number not equal to O such that triple its square is equal to twice of its cube.
(Write your answer as a decimal number in the simplest form)
2) If \(\frac{x}{2}-\frac{x}{6}\)is an integer. Find the following statement must be true???
an appliance shop orders 24 boxes of small electric fans ( where all boxes contain the same number of small fans) and 25 boxes of bigger electric fans ( where all boxes also contain the same number of bì fans). The total number of fans ordered is 1200. How many fans are there in each box that contains small fans
16 tháng 1 2023 lúc 16:07
the sum A of 191 consecutive positive integers is a perfect square . Find the largest of those 191 positive integers so that A has the smallest value