Given:
Polynomial
To find:
The values of x.
Solution:
Quadratic equation formula:
Here .
Substitute the values in the formula, we get
Option E and option F are the roots of the polynomial.
The values of x are .
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1 answer:
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Answer:
x > -1
(-1, infinity)
Step-by-step explanation:
Given:
A prism with height 5 cm and equilateral triangular base with side 2 cm.
To find:
The total surface area of the prism.
Solution:
Area of an equilateral triangle is:
Where, a is the side length.
Putting , we get
The base and top of the prism are congruent so their area must be equal.
The lateral surface area of the prism is:
Where, P is the perimeter of the base and h is the height of the prism.
The lateral surface area of the prism is:
Now, the total surface area is the sum of areas of bases and lateral surface area.
Therefore, the total surface area is 33.46 cm².