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Let us work out1.3The difference oftwo positive whole numbers is 3 and the sum of their squares is 117;bycalculating, let us write the two numbers. |
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Answer» Let the numbers be a and ba-b=3a^2+b^2=117(a-b)^2=a^2+b^2-2ab3^2=117-2ab2ab=117-92ab=108 (a+b)^2=a^2+b^2+2ab(a+b)^2=117+108√(a+b)^2=√225(a+b)=15A-b=32a=18A=9 |
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