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Q:

यदि $$ {8x\over{2x^{2}+7x-2}}=1, x>0,$$  है तो $$ {x^{3}+{1\over x^{3}}}$$ का मान क्या होगा?

  • 1
    $$ {3\over 8}{\sqrt{17}}$$
  • 2
    $$ {3\over 4}{\sqrt{17}}$$
  • 3
    $$ {5\over 8}{\sqrt{17}}$$
  • 4
    $$ {5\over 4}{\sqrt{17}}$$
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Answer : 3. "$$ {5\over 8}{\sqrt{17}}$$"

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