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Q:

यदि $$ {a={1+x\over 2-x}}$$, है, तो $$ {1\over {a+1}}+{2a+1\over{a^{2}-1}}$$ किसके बराबर होगा?

  • 1
    $$ {(1+x)(2+x)\over {2x-1}}$$
  • 2
    $$ {(1-x)(2-x)\over {x-1}}$$
  • 3
    $$ {(1+x)(2-x)\over {2x-1}}$$
  • 4
    $$ {(1+x)(2-x)\over {2x+1}}$$
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Answer : 3. "$$ {(1+x)(2-x)\over {2x-1}}$$"

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