`(4.2xx4.2 - 1.9xx1.9)/(2.3xx6.1)` = ? Options: A . &nbsp0.5 B . &nbsp1 C . &nbsp1.9 D . &nbsp4.2

`(4.2xx4.2 - 1.9xx1.9)

Question

`(4.2xx4.2 - 1.9xx1.9)/(2.3xx6.1)` = ?

Options:

A . 0.5

B . 1

C . 1.9

D . 4.2

Answer: Option B

Given expression = `((a^2 - b^2))/((a + b) (a - b))` = `((a^2 - b^2))/((a^2 - b^2))` = 1

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