adelaidegladebrooke adelaidegladebrooke

22-02-2020
Mathematics

contestada

In 1/a-b - 1/b-a
Why do we multiply the fraction by -1 to get the common denominator?
I factorised the denominators and got the wrong answer.
The answer is 2/a-b
Please explain, thank you

Respuesta :

ridhamahdi92 ridhamahdi92

22-02-2020

Idk but better then I have the same thing to call me and my friend told him I don’t want him to

Answer Link

Otras preguntas

All living things break down _________ to make energy. carbon dioxide fuel light water

find all the powers of 4 in the range 4 through 1,000.

Which equation has the same solution as 2x^2+x-3=0

what was the purpose of Franklin Roosevelt's WPA?

Which of the following has the most political power in Canada?

Square root of x^2-4 plus x^2/x^2+1

All living things break down _________ to make energy. carbon dioxide fuel light water

From what source can plants, algae, and some bacteria harness their energy? sunlight water the soil the air

Which of the following represents a difference between the government of the Roman Republic and that of Imperial Rome?

kiara has $20 to spend.She wants to buy a book for $12 and spend the remaining money on name tags for he luggage.Each name tag cost $2.Which inequality below ca