निम्नलिखित समाकलों के मान ज्ञात कीजिए- \[ \int \frac{1}{2 x^{2}+x-1} d x \]
निम्नलिखित समाकलों के मान ज्ञात कीजिए-
\[
\int \frac{1}{2 x^{2}+x-1} d x
\]
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