Question

Maths Question - (5+√2) (5-√2)​

Answer 1

23 (twenty three)

hope it helps you :-)

Answer 2

Answer:

23

Step-by-step explanation:

$(5+\sqrt2) (5-\sqrt2)$

This is of the form  $(a+b)(a-b)=a^2-b^2$

Hence = $5^2-(\sqrt2)^2$

= 25-2

= 23

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