Sagot :
[tex]Note;\\ We\ can't\ use\ a\ monomial\ by\ solving\ it\ through\ special\ products. \\ We\ will\ solve\ it\ by\ the\ use\ of\ simple\ algebraic\ solution. \\ \\ 1.) \\ 78^{2} \\ \\ Solution; \\ \\ 78^{2}\to(78)(78)\to\boxed{\boxed{6,084}} \\ \\ 2.) \\ 11^{2} \\ \\ Solution; \\ \\ 11^{2}\to(11)(11)\to\boxed{\boxed{121}} \\ \\ 3.) \\ (37)(43) \\ \\ Solution; \\ \\ (37)(43)\to\boxed{\boxed{1,591}} \\ \\ Hope\ it\ Helps:) \\ Domini [/tex]