chauhanmonika1002 chauhanmonika1002

06-07-2021
Mathematics

contestada

if x = 3 and y = 2, then the value of ( x - y )(x² + xy + y²) is
(a) 31 (b) 19 (c) 1 (d) 25

Respuesta :

ThomasBates ThomasBates

06-07-2021

Answer:

19

Step-by-step explanation:

(3-2)(3^2+3x2+2^2)

(1)(9+6+4)

(1)(19)

Answer Link

kamilmatematik100504 kamilmatematik100504

06-07-2021

[tex]\displaystyle\bf \underbrace{ (x-y)(x^2+xy+y^2)}}_{x^3-y^3}=3^3-2^3=19\\\\Answer: b)19[/tex]

Answer Link

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