Answer and explanation please

Jess Jacobs asked Mar 23, 2023

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Jess Jacobs asked Mar 23, 2023

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6 votes

Explanation:

So, let the N=10a+b

N=10a+b,P(N)=ab,S(N)=a+b

10a+b=ab+a+b

9a-ab=0

a(9-b)=0

a=0 and 9-b=0, b=9. the number is 9. but 9 is not two-digit number. So there is no N which satisfied previous conditions.

Jim Horng answered Mar 30, 2023

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