Question

Find the value of 8.63² - 1.37²​

Answer 1

Answer:

72.36

Step-by-step explanation:

Given : (8.63)^2 - (1.37)^2.

It is in the form of a^2 - b^2.

Here a = 8.63 and b = 1.37.

We know that a^2 - b^2 = (a + b)(a - b).

= > (8.63 + 1.37)(8.63 - 1.37)

= > (10)(7.26)

= > 72.6.