Question

பி‌ன்வருவனவ‌ற்றை கார‌ணிபடு‌த்துக
i) x^3+8y^3+6xy-1

ii) l^3-8m^3-27n^3-18lmn

Answer 1

விளக்கம்:

$\text { (i) } x^{3}+8 y^{3}+6 x y-1$

$x^{3}+(2 y)^{3}-1^{3}-3(x)(2 y)(-1)$

$=(x+2 y-1)\left(x^{2}+4 y^{2}+1\right)-2 x y+$$2 y+x$

$\text { (ii) } l^{3}-8 m^{3}-27 n^{3}-18 l m n$

$l^{3}-(2 m)^{3}-(3 n)^{3}-3(l)(-2 m)(-3 n)$

$=l^{3}-(2 m)^{3}-(3 n)^{3}-3(-2)(-3 m)lmn$

$=(l-2 m-3 n)\left(l^{2}-4 m^{2}-9 n^{3}+2 l m\right-6 m n+3 l n)$

Answer 2

Answer:

hi

Step-by-step explanation: