2 years ago

Find the roots of parabola given by the following equation

Mathematics

1 answer:

riadik2000 [5.3K]2 years ago

5 0

Answer:

3/2

-3

Step-by-step explanation:

here

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Step-by-step explanation:

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By pythagoras' Theorem,

${c}^{2} = {a}^{2} + {b}^{2} \\ {a}^{2} + {b}^{2} = {c}^{2} \\ {a}^{2} + {(9)}^{2} = {(15)}^{2} \\ {a}^{2} + 81 = 225 \\ {a}^{2} = 225 - 81 \\ {a}^{2} = 144 \\ a = \sqrt{144} \\ = 12m$

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Step-by-step explanation:

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