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LexyClaire
28.08.2021 •
Mathematics
I have a query related to completing square method
lets say the question is
2x² + 3x + 2
and then 2x² + 3x + (3/2)² + 2 - (3/2)²
and what im doing is (2x + 3/2)² + 2 - 9/4
but im wondering as the identity is
(a+b)² = (a)² + 2(a)(b) + (b)²
so wouldn't that make it
((√2)x + 3/2)² + 2 - 9/4
as we are squaring the whole value of a in the identity
Solved
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Ответ:
C. Both
Step-by-step explanation:
khan academy 1111