Question

பி‌ன்வருவனவ‌ற்றை கார‌ணிபடு‌த்துக

i)x^2+4x+4
ii) a^2+1/a^2 -18

Answer 1

Answer:

sorry

Step-by-step explanation:

I cant understand your language write in English than i think i can help you

Answer 2

விளக்கம்:

$(i) x^{2}+4 x+4$

$x^{2}+2 x+2 x+4$

$=x[x+2]+2[2 x+2]$

$=(x+2)(x+2)$

$=(x+2)^{2}$

(ii) $a^{2}+\frac{1}{a^{2}}-18$

$\left[a^{2}-\left(\frac{1}{a}\right)^{2}\right]-18+2$

$=\left[a-\frac{1}{a}\right]^{2}-4^{2}$

$=\left[a-\frac{1}{a}+4\right]\left[a-\frac{1}{a}-4\right]$