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3 years ago

6

Tell how to multiply two fractions give an example

1 answer:

mario62 [17]3 years ago

7 0

Ex 1:
2/5 x 4/5
Multiply both the numerators together and then multiply both the denominators together. You would multiply 2x4 which is 8 and 5x5 which is 25. Which leaves you with 8/25 and it will stay that way because you cannot simplify it further.

Ex 2:
2/5 and 5/3
Multiply across 2x5/5x3 and you end up with 10/15 which can be simplified/reduced to 2/3 because they share a common factor of 5.

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kodGreya [7K]

For this case we must find the inverse of the following function:

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We follow the steps below:

Replace f(x) with y:

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We exchange the variables:

$x = - \frac {1} {2} \sqrt {y + 3}$

We solve for "y":

$- \frac {1} {2} \sqrt {y + 3} = x$

Multiply by -2 on both sides of the equation:

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We raise both sides of the equation to the square to eliminate the radical:

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We subtract 3 from both sides of the equation:

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We change y by f ^ {- 1} (x):

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Answer: $f ^ {- 1} (x) = 4x ^ 2-3$

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4 years ago

Read 2 more answers