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Powers with Positive and Negative Exponents

If a2 + b2 + ...

Question

If $a^{2} + b^{2} + c^{2} = 2 (b + c - 1)$ , then find the value of $a + b + c$ .

A

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B

1

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C

2

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D

3

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Solution

The correct option is C $2$

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Similar questions

a^{2} + b^{2} + c^{2} = 2 (a + 2 b - 2 c) - 9

then find the value of a+b+c

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a b c = 8

. Find the value of

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, find the value of expression

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Q. Find the value of

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.

(2) (b + c)^{- 1} + (c + a)^{- 1} + (a + b)^{- 1}

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