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Murrr4er [49]
2 years ago
12

What is the answer to this question? 1.4a^2+4a-63

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
3 0

Answer:

Step-by-step explanation:

Δ = 4^{2}  - 4 * 4 * (-63)  =  16 + 16 * 63 = 16 * (1 + 63) = 16 * 64

VΔ = 4 *  8 = 32

a = (- 4 ± 32) * \frac{1}{8}

a' = 7/2

a''= 9/2

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