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Need andwers-info is in the picture
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Need andwers-info is in the picture

Need andwers-info is in the picture-example-1
User Tim Lindsey
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1 Answer

5 votes

∴Dafydd is correct.

Explanation:

Dafydd chooses three integers a, b and c .

b is 5 less than a and c is 5 more than a.

Dafydd says that bc +25 = a²

Here b = a-5 and c= a+5

L.H.S = bc +25

= (a-5)(a+5) +25

= a² - 5² + 25

=a² -25 +25

= a² = R.H.S

∴Dafydd is correct.

User Peter Karasev
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3.3k points
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