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When operating with polynomial expression, apply the below-mentioned steps:

• First, simplify the expression by adding/subtracting the like terms. Also. Don’t forget to apply the PEMDAS rule in case of brackets or parenthesis.
• Also, wherever possible, use the distributive property.

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In mathematics, a ratio is defined as the comparison between two numbers. This is generally done to find out how big or small a number or a quantity is with respect to another. So, what method do we use to find these ratios? Well, we use the division method. In a ratio, two numbers are divided. The dividend part is known as the ‘antecedent’, whereas the divisor is known as the ‘consequent.’
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• Step 1: Find the conjugate, between the two terms, it is the denominator with a different sign.
• Step 2: Use the conjugate to multiply the numerator and denominator.
• Step 3: If necessary, simplify.

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Adding and subtracting complex numbers are two of the most basic things you can do with them. Like when we add or subtract a polynomial, we put like terms together. In the same way, when we add or subtract complex numbers, we put together the real and imaginary parts of the numbers and then use the operation.
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The volume of a cone is equal to one-third of the volume of a cylinder that has the same base and height. This is similar to the way that the volume of a pyramid is equal to one-third of the volume of a prism that has the same base and height.
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Volume tells us how much space is inside a cylinder. For illustration's sake, let's say we want to know how much water a cylindrical jar can store; in this case, we will need to see the jar's volume. Find the product of the base area \((A)\) and the cylinder height \((h)\). This will give you the volume \((V)\).
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Surface Area of a Rectangle Prism Formula:
SA =\(2 [(width \times length) + (height \times length)\) \(+ (width \times height)]\)
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Surface Area of a cube \(=\) \(6 ×\) (one side of the cube)\(^2\)
Example:
\(6 \times  4^2 = 96\) m\(^2\)
 
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As the length of each edge of the cube is the same, We can find the volume of the cube if we know the length of one side: V = One side to the power of three.
There is also another way to find the volume of the cube that is Based on Area:
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A prism is a polyhedron with flat sides and bases of the same length. It is a solid object with flat sides, the same ends, and a cross-section that is the same length as the object. In Geometry, we will learn about the different prisms, such as a triangular prism, a pentagonal prism, and a hexagonal prism. Because it is a three-dimensional figure, it has both a surface area and a volume.
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