${\left( {\frac{a}{{a + x}}} \right)^{\frac{1}{2}}} + {\left( {\frac{a}{{a - x}}} \right)^{\frac{1}{2}}} = $

  • A
    $2 + \frac{{3{x^2}}}{{4{a^2}}} + \dots$
  • B
    $1 + \frac{{3{x^2}}}{{8{a^2}}} + \dots$
  • C
    $2 + \frac{x}{a} + \frac{{3{x^2}}}{{4{a^2}}} + \dots$
  • D
    $2 - \frac{x}{a} + \frac{{3{x^2}}}{{4{a^2}}} + \dots$

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Similar Questions

$(1-3x)^{\frac{1}{3}}(1+2x)^{-\frac{1}{2}}$ ના વિસ્તરણમાં $x^2$ નો સહગુણક શોધો.

જો $x = \frac{2 \cdot 5}{(2!) 3} + \frac{2 \cdot 5 \cdot 7}{(3!) 3^2} + \frac{2 \cdot 5 \cdot 7 \cdot 9}{(4!) 3^3} + \dots$ હોય,તો $x^2 + 8x + 8 = $

જો $(a+bx)^{-3} = \frac{1}{27} + \frac{1}{3}x + \dots$ હોય,તો ક્રમયુક્ત જોડ $(a, b)$ ની કિંમત શોધો.

જો $\alpha = \frac{5}{2! \times 3} + \frac{5 \times 7}{3! \times 3^2} + \frac{5 \times 7 \times 9}{4! \times 3^3} + \ldots$ હોય,તો $\alpha^2 + 4\alpha =$

શ્રેણી $1 + \frac{1 \times 3}{6} + \frac{1 \times 3 \times 5}{6 \times 8} + \dots \infty$ નો સરવાળો કેટલો થાય?

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