Add New Description

Fill up the form and submit

y = \tan^{- 1} \frac{a + b x}{b - a x}

এর মান হবে-

\frac{1}{x \cos x}

\frac{a^{2} x^{2}}{b^{2} + a^{2} x^{2}}

\frac{1}{1 + x^{2}}

\tan x

- c o t x

ANS : 3

Descrption

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

Cancel Login