Factorise: $4y^2-4y+1$.

Q. Factorise : $9x^2+4y^2+1+12xy+4y+6x$

Q. Factorise the following using appropriate identities:
(i) $9x^2+6xy+y^2$
(ii) $4y^2-4y+1$
(iii) $x^2-\frac{y^2}{100}$

Q. Question 3
Factorise the following using appropriate identities:
(i) $9x^2+6xy+y^2$
(ii) $4y^2-4y+1$
(iii) $x^2-\frac{y^2}{100}$

Q. Factorise the following trinomials:
$\frac{x^2}{4y^2}-\frac{1}{3}+\frac{y^2}{9x^2}$