i. What is the coefficient of x^70 in the expansion of (8x^9+2022x^8)^8 ii. Two natural numbers are said to be the same

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answerhappygod
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i. What is the coefficient of x^70 in the expansion of (8x^9+2022x^8)^8 ii. Two natural numbers are said to be the same

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i. What is the coefficient of x^70 in the expansion of
(8x^9+2022x^8)^8
ii. Two natural numbers are said to be the same parity if they
either both even or odd, otherwise they are said to be of opposite
parity. Given any two natural numbers of the same parity, show that
their sum and difference are even. Given two numbers of the
opposite parity, show that their sum and difference are odd.
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