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I get the part A of the question its just the part B that i would really appreciate for someone to explain

I Get The Part A Of The Question Its Just The Part B That I Would Really Appreciate For Someone To Explain class=
I Get The Part A Of The Question Its Just The Part B That I Would Really Appreciate For Someone To Explain class=

Sagot :

reinhard10158

Step-by-step explanation:

650065 = (a² + 1)(c² + 1)

and

650065 = (ac - 1)² + (a + c)² = the sum of 2 squared numbers (ac - 1)² and (a + c)².

we see that 5 and 13 and therefore 5×13=65 are all factor of 650065. and then 650065/65 = 10001.

and we know that 65 = (64 + 1) = (8² + 1)

and 10001 = (10000 + 1) = (100² + 1)

so, a = 8, c = 100

that means the 2 squared numbers summing up to 650065 are

(ac - 1)² = (8×100 - 1)² = 799² = 638,401

(a + c)² = (8 + 100)² = 108² = 11,664

650,065 = 638,401 + 11,664 = 799² + 108²

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