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Blog 3

$latex \displaystyle \begin{array}{l}\text{iii}\text{. sec}\frac{{{\text{x}}^{\text{5}}}\text{+}{{\text{y}}^{\text{5}}}}{{{\text{x}}^{\text{5}}}\text{-}{{\text{y}}^{\text{5}}}}\text{=}{{\text{a}}^{\text{2}}}\\Sol.\text{ }\frac{{{\text{x}}^{\text{5}}}\text{+}{{\text{y}}^{\text{5}}}}{{{\text{x}}^{\text{5}}}\text{-}{{\text{y}}^{\text{5}}}}={{\sec }^{-1}}{{a}^{2}}\end{array}$

$latex \displaystyle \begin{array}{l}\text{iii}\text{. sec}\frac{{{\text{x}}^{\text{5}}}\text{+}{{\text{y}}^{\text{5}}}}{{{\text{x}}^{\text{5}}}\text{-}{{\text{y}}^{\text{5}}}}\text{=}{{\text{a}}^{\text{2}}}\\Sol.\text{ }\frac{{{\text{x}}^{\text{5}}}\text{+}{{\text{y}}^{\text{5}}}}{{{\text{x}}^{\text{5}}}\text{-}{{\text{y}}^{\text{5}}}}={{\sec }^{-1}}{{a}^{2}}\end{array}$