If \( \int \frac{d x}{\sqrt{x}(1+\sqrt[4]{x})^{10}}=a(1+\sqrt[4]{x})^{-8}+b(1+\sqrt[4]{x})^{-9} ....

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If \( \int \frac{d x}{\sqrt{x}(1+\sqrt[4]{x})^{10}}=a(1+\sqrt[4]{x})^{-8}+b(1+\sqrt[4]{x})^{-9} \) then
P
\( a+b \) is
W
(1) \( \frac{1}{8} \)
(2) \( -\frac{1}{18} \)
(3) \( \frac{1}{72} \)
(4) \( -\frac{1}{72} \)



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