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Goshia [24]
3 years ago
6

What is the simplified answer to this? thank you :)

mula1" title="9 \sqrt{245} " alt="9 \sqrt{245} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
6 0

Answer:

63 \sqrt[ \: ]{5}

Step-by-step explanation:

9 \sqrt{245}

9 \sqrt{ {7}^{2}  \times 5 }

9 \times 7 \sqrt{5}

63 \sqrt{5}

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Answer:

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Step-by-step explanation:

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4 years ago
The difference between the roots of the quadratic equation x^2−12x+q=0 is 2. Find q.
shtirl [24]

Answer:

  • The required value of q is 35.

Step-by-step explanation:

Let α and β are the zeros of quadratic equation, x^2−12x+q=0.

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Equation : α - β = 2

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Equation : αβ = q

We have to create an algebraic expression.

(a+b)² = (a-b)² + 4ab

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q = 35

Therefore, the required value of q is 35.

<u>Some information about zeroes of quadratic equation. </u>

  • Sum of zeroes = -b/a
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Step-by-step explanation:

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