document.write( "Question 432962: The positive integers p,q & r are all prime no.s if p^2-q^2=4,then find all posible values of r? \n" ); document.write( "
Algebra.Com's Answer #300152 by richard1234(7193)\"\" \"About 
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There's no reference to r in your equation \"p%5E2+-+q%5E2+=+4\"; implies that r can be any prime. \n" ); document.write( "
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