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651

Q:

यदि $${\sqrt{7-2}\over\sqrt{7+2}}=a\sqrt{7}+b$$,है तो a का मान ज्ञात करे 

  • 1
    $${4\over3}$$
  • 2
    $${-4√7\over3}$$
  • 3
    $${11\over2}$$
  • 4
    $$-{4\over3}$$
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Answer : 4. " $$-{4\over3}$$"

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