document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=296252>Question 296252</A>: <I><SPAN STYLE=\"word-break: break-all;\"> even root property , find real solutions ... w^2+49=0  ; find imaginary solution.. w^2=-225;   sqrt(16^n)   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213516 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213516\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> even root property , find real solutions ... w^2+49=0  ; find imaginary solution.. w^2=-225;   sqrt(16^n)  <BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "w^2+49 = 0<BR>\n" );
document.write( "(w+7i)(w-7i) = 0<BR>\n" );
document.write( "w = -7i or w = 7i<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "w^2 = -225<BR>\n" );
document.write( "w^2 + 225 = 0<BR>\n" );
document.write( "(w+15i)(w-15i) = 0<BR>\n" );
document.write( "w = -15i or w = 15i<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "sqrt(16^n) = sqrt(4^(2n))<BR>\n" );
document.write( "= 4^n<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );