The formula used in the product of $96\times 10496\backslash times104$ is ……………….

The formula used in the product of ${196}^{2}196^2$ is ……………

${987}^2-{13}^3=987^2\; -\; 13^3\; =$

(4x + 5y) (4x – 5y) = …………………

$(a-b{)}^2-(a-b{)}^2=(a\; -b)^2\; -\; (a-b)^2\; =$ ...........

$a^2+b^2=a^2+b^2=$ ........

$(a-b{)}^2+4ab=(a\; -\; b)^2\; +\; 4\; ab\; =$ ..........

$(a-b{)}^2-(a+b{)}^2=(a\; -\; b)^2\; -\; (a\; +\; b)^2\; =$ ........

Degree of $3x^2{y}^2{z}^{3}3x^2y^2z^3$ is ………………

The value of $2x^3-2x^2+12x^3-2x^2+1$ at x = 1 is ……………