If a and b are positive integers such that a×a = b×b+ 15, what is the greatest possible value of a?
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0
Answer:
infinite
Step-by-step explanation:
the greatest possible value of A is infinity!
Answered by
0
Answer:
a×a=a²
b×b=b²
a²=b²+15
a²-b²=15
(a-b)(a+b)=15
(a-b)=15 & (a+b)=15
a=15+b & a=15-b
a=a
15+b=15-b
b+b=15-15
2b=0
b=0
a=15+b
a=15+0
a=15
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