Question

if a=2 and b=3 find the value of a3-b3

Answer 1

a=2 and b =3

a^3 - b^3 = 2^3 - 3^3 = 8 - 27= -19

hope it helps you...

Answer 2

Heya !!

$\text{Given that, a = 2 and b = 3}\\\\Since, \: a^3 - b^3 = (a- b)(a^2 +ab +b^2)\\\\\text{Putting the values of a and b,}\\\\(2 - 3)(2^2 + (2)(3) + 3^2)\\\\= (-1)(4 + 6 + 9)\\\\= (-1)(19)\\\\ \boxed{\boxed{\bold{\underline{= -19}}}}$

Hope it helps !!