Tamil Nadu Board Solutions for Chapter: Algebra, Exercise 15: Try these

Evaluate $(105{)}^2$ using appropriate identity.

Find $(98{)}^2$.

Simplify $(y-5)(y+5)$.

Factorise $(3x{)}^2-5^2$.

Simplify $(2m+n)(2m+p)$.

Find $\left(203\times 197\right)$ using appropriate identity.

Find the area of the square whose side is $\left(x-2\right) \mathrm{units}$.

Find the area of the rectangle whose length and breadth are $\left(y+4\right) \mathrm{units}$ and $\left(y-3\right) \mathrm{units}$ respectively.