Question

(5+√2)(3+√5) what the value of it​

Answer 1

$(5 + \sqrt{2} )(3 + \sqrt{5} )$

$= 5 \times (3 + \sqrt{5} ) + \sqrt{2} \times (3 + \sqrt{5})$

$= (5 \times 3) +( 5 \times \sqrt{5}) + ( \sqrt{2} \times 3) + ( \sqrt{2} \times \sqrt{5} )$

$= 15 + 5 \sqrt{5} + 3 \sqrt{2} + \sqrt{10}$

= 33.58525823....

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