= + 5. If a = 1, b = -1 and c = 0, find the value of the following expressions. a. a+b+c b. a² + b2 + 2 c. a² - bct ab-62 d. (a2-62) + (62 - 62) + (a? - ?) 2a2 + 3b2 + 402 - + e.
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sorry I can't understand this question
sorry
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Answer:
a. 0
b. 2
Step-by-step explanation:
[tex]a + b + c\\ = (1) + (-1) + (0)\\ = 1 - 1\\ = 0[/tex]
[tex]a^{2} + b^{2} + 2\\ = (1)^{2} + (-1)^{2} + 2\\ = 1 + 1\\ = 2[/tex]
Sorry I was not able to understand other two parts. Hope these answers help...
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