biunivalent functions associated with a certain q-integral operator in the open unit disk U.
We estimate bounds on the initial Taylor-Maclaurin coefficients| a2| and| a3| for normalized
analytic functions f in the open unit disk by considering the function f and its inverse g= f− 1.
Furthermore, we derive special consequences of the results presented here, which would
apply to several (known or new) subclasses of analytic and bi-univalent functions.