Simplify
Given, (
– √2) (
+ √2)
Need to simplify it
⇒ we know that (a–b)(a+b) = a2 – b2
⇒ the given expression can be written in this form
⇒ (
)2 –(√2)2
= 13 –2
= 11
Hence, (
– √2) (
+ √2) is simplified into 11
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