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Q:

यदि $$ \sqrt {x^2+y^2}=25$$,  और y=2x,  है तो  x का मान है।

  • 1
    5
  • 2
    25
  • 3
    $$ \sqrt {125}$$
  • 4
    $$ \sqrt {5}$$
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Answer : 3. "$$ \sqrt {125}$$"

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