Math, asked by KeshavVats, 10 months ago

The difference between two numbers is 5 and
their product is 14. Find the difference between
their cubes.​

Answers

Answered by harsh479175
2

Step-by-step explanation:

let the no are x and y.

x - y =5

xy=14

according to problem.....

x^3-y^3 = (x-y) (x^2 + y ^2 +xy)

= (x-y)^2 = x^2 +y^2 -2xy

25 = x^2 +y^2 -2×14

x^2 + y^2 = 25-28 =-3

so, x^3 - y^3= (5)(-3+14)

= 5×11

=55

hope it will help u

Answered by ashivarshney24086
2

Answer:

let the one no.be x and the other no.be y

according to question.....

x-y=5..............1

xy=14.............2

from eqation 1....

x=5+y×y=14

5+y square=14

y square=9

y=3........3

substitute the value of y in eq.1

x-3=5

x=8

find-x cube-y cube

8×8×8-3×3×3

512-27=485..........

495 is your answer.....

plrase mark as a brainlist answer....

substitute the value of x in equation 2...

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