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# Help needed! (Number theory)

The problem is from BMO-1993. Please guide me how to solve this problem.

10 months, 3 weeks ago

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The no should be of the form 1001n+1=x^2OR 1001n=(x-1)(x+1) since x sqr is 6 digit x is 3digits thus we keep x minus one or x plus one =multiples of143(a multiple of 1001) and tk the sol Keep the multiple s repeatedly intil 6digit sqr comes · 10 months, 3 weeks ago

Good approach :) Staff · 10 months, 3 weeks ago

Hint: Write out the mathematical equation for the statement.

Hint: quadratic diophantine equations - solve by factoring Staff · 10 months, 3 weeks ago

I do not know what is slack · 10 months, 3 weeks ago

It is platform on which you can interact with many people present on Brilliant. It is instant messaging like Whatsapp. · 10 months, 3 weeks ago

R u giving inmo tomorrow · 10 months, 3 weeks ago

You can talk to me on Slack also. · 10 months, 3 weeks ago

No I was not selected for that. · 10 months, 3 weeks ago

183184 · 10 months, 3 weeks ago

How did you got this answer? · 10 months, 3 weeks ago

By the way do u giv rmo etc · 10 months, 3 weeks ago