Add New Description

Fill up the form and submit

যোগজীকরণ নির্ণয় কর:

\int \frac{x^{2} - 1}{x^{4} + x^{2} + 1} d x

\frac{1}{2} \ln \frac{x^{2} - x + 1}{x^{2} + x + 1} + C

ANS : 1

Descrption

To add a description please, login first. click here to login

Cancel Login