Questions
The number of integral solutions of is
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a
276
b
0
c
720
d
infinite
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Correct option is B
As 352706 is even, either both x and y are even or both x and y are odd.If x ,y are both even, x2−y2 is divisble by 4, but 352706 is not divisible by 4.If x ,y are both odd, x2−y2 is divisble by 4, but 352706 is not divisible by 4.Similar Questions
In a network of railways, a small island has 15 stations. The number of different types of tickets to be printed for each class, if every station must have tickets for other station, is
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