plzzz solve answer is 1
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your question answer there right ya wrong pls comment me ...........
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Step-by-step explanation:
( a - 1)²+ (b + 2)² + ( c + 1)² = 0
Therefore, it is possible that
a - 1 = 0, b + 2 = 0, and c + 1 = 0
From this you can find out the value of a, b and c.
a = 1, b = - 2 and c = - 1
2 a - 3 b + 7 c = 2 (1) - 3 (- 2) + 7 ( - 1)
= 2 + 6 - 7 = 8 - 7 = 1
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