Math, asked by achurukku4572, 9 hours ago

x-y=2 এবং xy=24 হলে,(x+y) এর মান কত?

Answers

Answered by dasshaheli51gmailcom
1

Answer:

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Step-by-step explanation:

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Answered by xSoyaibImtiazAhmedx
1

Given:-

  • x - y = 2
  • xy = 24

To find:-

  • x + y

Now,

 \:  \:  \bold{x + y}

 =  \:  \:  \bold{ \sqrt{ {(x + y)}^{2} } }

=  \:  \:  \bold{ \sqrt{ {(x  -  y)}^{2} + 4xy } }

Now, substituting the values, we get

=  \:  \:  \bold{ \sqrt{ {(2)}^{2}   +  4 \times 24} }

=  \:  \:  \bold{ \sqrt{ 4  +  96} }

=  \:  \:  \bold{  \sqrt{100}  }

=  \:  \:  \bold{ 10  }

Hence ,

★ x + y = 10

Formulae required:-

 \boxed{ \bold{ {(x + y)}^{2}  =   {(x - y)}^{2}   + 4xy}}

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