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# 1010 = ab Which of the following could be a + b ?

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Re: 1010 = ab Which of the following could be a + b ? [#permalink]
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$$10\sqrt{10}$$ = $$a\sqrt{b}$$
$$10\sqrt{10}$$ can be written as:-
$$2*5\sqrt{2*5}$$ which can be written as $$2\sqrt{2*5*5*5}$$ or $$5\sqrt{2*5*2*2}$$ or $$1\sqrt{2*5*10*10}$$.
From the above we can infer a=2,b=250 or a=5,b=40 or a=1,b=1000.
Hence I,II are correct .
Re: 1010 = ab Which of the following could be a + b ? [#permalink]
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