2. If a = 21 - j + k andX. If a = 21 -3) + k and b = 1 + 4- 2k, then f

1.	2. If a = 21 - j + k andX. If a = 21 -3) + k and b = 1 + 4- 2k, then find (a + b)(a - b).
Answer» ANSWER: as as a as a AKA and and and a

2. If a = 21 - j + k andX. If a = 21 -3) + k and b = 1 + 4- 2k, then find (a + b)(a - b).

Answer»

ANSWER:

as as a as a AKA and and and a

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2. If a = 21 - j + k andX. If a = 21 -3) + k and b = 1 + 4- 2k, then find (a + b)(a - b).​

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2. If a = 21 - j + k andX. If a = 21 -3) + k and b = 1 + 4- 2k, then find (a + b)(a - b).