9th class science group Math Ch no .1 Exercise no 1.5 Question no .3 complete..... #MultiplicationInverse

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multiplication inverse:

Multiplication Inverse:

The multiplication inverse, also known as the reciprocal, is a value that, when multiplied by a given number, results in 1.

Definition:

For a number x, its multiplication inverse is denoted as x^1 or 1/x, and is defined as:

x × x^1 = 1

Example:

The multiplication inverse of 2 is 1/2, because:

2 × 1/2 = 1

Properties:

The multiplication inverse of a number is unique.
The multiplication inverse of 1 is 1.
The multiplication inverse of 1 is 1.
The multiplication inverse of a product is the product of the inverses.

Applications:

Solving linear equations
Finding the inverse of a matrix
Calculating the determinant
Dividing fractions

Notation:

x^1 or 1/x represents the multiplication inverse of x.
the definition, properties, and applications of the multiplication inverse, providing a clear understanding of this important mathematical concept.