Question

simplify
$(3 + \sqrt{5} )2 + \sqrt{3} )$
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Answer 1

Step-by-step explanation:

(3+ sqrt5)(2+sqrt3)

= 3×2 + 3×sqrt3 + 2×sqrt3 +( sqrt5 ×sqrt3)

= 6+ 3sqrt3 +2sqrt3 + sqrt15