Question

x2 +y2 =? How to solve this?

Answer 1

Step-by-step explanation:

Age 16 to 18. Use the fact that: x²-y² = (x-y)(x+y) and x³+y³ = (x+y) (x²-xy+y²) to find the highest power of 2 and the highest power of 3 which divide 5^{36}-1.

Answer 2

Answer:

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