Let's find out the square of the expression given below using identities-

$a+b-c-d$

Let's form a whole square of the expression given below using the above identities-

$9x^2+\frac{9}{25y^2}-\frac{18x}{5y}$

Let's form a whole square of the expression given below using identities-

$25m^2-70mn+49n^2$

Let's form a whole square of the expression given below using identities-

$(2a-b{)}^2+(4a-2b\left)\right(a+b)+(a+b{)}^2$

Let's form a whole square of the expression given below using identities-

$\frac{p^2}{q^2}+\frac{q^2}{p^2}-2$

Let's express the following expression as a difference of two squares:

$391\times 409$

Let's express the following expressions as a difference of two squares:

$(4x+3y)(2x-3y)$

Let's express the following expressions as a difference of two squares:

$x$

Let's factorize

$225m^2-100n^2$