A square plot has side (a - b) metres. A second square plot has side (a + b) metres. By how much (in square metres) is the larger plot's area greater than the smaller plot's area?

Question

Accepted Answer

4ab. Difference = (a + b)^2 - (a - b)^2 = (a^2 + 2ab + b^2) - (a^2 - 2ab + b^2) = 4ab sq m.

A square plot has side (a - b) metres. A second square plot has side (a + b) metres.
By how much (in square metres) is the larger plot's area greater than the smaller plot's area?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 8 Standard Identities practice

A square plot has side (a - b) metres. A second square plot has side (a + b) metres.By how much (in square metres) is the larger plot's area greater than the smaller plot's area?

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 8 Standard Identities practice

A square plot has side (a - b) metres. A second square plot has side (a + b) metres.
By how much (in square metres) is the larger plot's area greater than the smaller plot's area?