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Grade 11Algebra

Let P denote the set of all positive integers and
S = {(x,y) : x,y belongs to P and x2 – y2 = 666}
the number of distinct elements in the set S is :
(A) 0
(B) 1
(C) 2
(D) more than 2

Profile image of Nandish Panchal
7 Years agoGrade 11
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2 Answers

Profile image of Vikas TU
6 Years ago
Dear student 
P is the positive integer , So , The ans of this question will be 
More than 2 
So , D is corect ans . 
Hope this will help 
Good Luck 
Profile image of Amlan Chakraborty
3 Years ago
The answer will be 0. Cause if we make it (x+y)(x-y)=666 there will bew no such values supporting this statement. cause 666= 18×37 .