The value of ` (68.273)^2` - `(31.763)^2` is : Options: A . &nbsp3.6474 B . &nbsp36.474 C . &nbsp364.74 D . &nbsp3647.4

The value of ` (68.273

Question

The value of ` (68.273)^2` - `(31.763)^2` is :

Options:

A . 3.6474

B . 36.474

C . 364.74

D . 3647.4

Answer: Option D

Given expression = (`a^2` - `b^2`) = (a + b) (a - b) = (68. 237 + 31.763) ( 68.237 - 31.763)

= (100 x 36.474) = 3647.4

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