Answer:we multiply by the reciprocal of a fraction when completing a division problem because it is a rule in mathematics that when you divide two fraction, you change the division sign to multiplication and flip the fraction at the right of the multiplication sign.
Step-by-step explanation:
For example if you have 4÷ 1/2. It basically means how many 1/2 can one get in 4. And the answers is 8.
Therefore multiplying by the reciprocal of a fraction when completing a division problem is a short cut method that has been tested and proven to be correct.
Answer:
what is this
Step-by-step explanation:
Answer:
Step-by-step explanation:
The given function is
Observe that, the first two factors are from difference of two squares.
We expand the brackets using the distributive property to obtain;
The above function is now in standard form, since the terms are arranged in descending powers of 
.
The value of X is is equal to 1
