Question

if a,x,y are natural numbers greater than 100 such that y^2-1=a^2(x^2-1) find the minimum value of a/x​

Answer 1

Answer:

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Step-by-step explanation:

A={1,4.9.16,25,36,49,64,81}

A={1,4.9.16,25,36,49,64,81}B={2,4,6,8,10,12,14,16,18,20,24,26,28,30,32,34,36,38,...}

A={1,4.9.16,25,36,49,64,81}B={2,4,6,8,10,12,14,16,18,20,24,26,28,30,32,34,36,38,...}A∩B={4,16,36,64}

A={1,4.9.16,25,36,49,64,81}B={2,4,6,8,10,12,14,16,18,20,24,26,28,30,32,34,36,38,...}A∩B={4,16,36,64}Hence, n(a∩B)=4.