Math, asked by alonaroy57, 1 month ago

plssss say the correct answer ​

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Answers

Answered by rochanaratakonda
3

Step-by-step explanation:

hey mate

(1) is correct

hope it helps you

Answered by ripinpeace
12

Answer:

1)   3x² + 5y² + 2 \sqrt{15}xy

Step-by-step explanation:

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

 →( \sqrt{ {3} } ) ^{2}  +   (\sqrt{5} )^{2}  + 2( \sqrt{3} x)( \sqrt{5}y )

 →\bf \blue{ \boxed{3x² + 5y² + 2 \sqrt{15}xy}}

Indentity used -

(x + y) ^{2}  =  {x}^{2}  +  {y}^{2}  + 2xy

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