A school is laying tiles on the floor of its rectangular assembly hall. The floor is (3a + 4) m long and (3a - 4) m wide, as shown in the figure. The cost of tiling depends on the area of the floor.

Question

CASE_STUDIESAlgebraic Identity for Difference of SquaresMultiplication of Binomial by Binomial3 sub-questions

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Find the following products using appropriate identities:

Factorise:

Algebraic Identity for Difference of Squares

Use suitable identities to find the following products:

Evaluate the following products without multiplying directly:

Factorise the following using appropriate identities:

The value of 249² – 248² is