document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056874>Question 1056874</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1)Let q1 = 1+ i + j + k and q2 = 1. Find<BR>\n" );
document.write( "(i)q^2 1, (ii)q^2 2, (iii) q1q2, (iv)q2q1\r<BR>\n" );
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document.write( "2)i)Let q1 = i + 2j - k and q2 = -i - j + k be two quaternions, find q1q2<BR>\n" );
document.write( "(ii)In 3-D space,let v1= (1,2,-1), v2 = (-1,-1,1) be two vectors, find v1 . v2<BR>\n" );
document.write( "(iii)In 3-D space,let v1= (1,2,-1), v2 = (-1,-1,1) be two vectors, find v1 x v2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #672026 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52787)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=672026\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "One question per post, please.\r<BR>\n" );
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document.write( "It is the RULE of this forum.\r<BR>\n" );
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document.write( "And, please, be more accurate in your writing next time.\r<BR>\n" );
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document.write( "For example, let assume (for a minute) that I want to ask your question #1:\r<BR>\n" );
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document.write( "1)Let q1 = 1+ i + j + k and q2 = 1. Find<BR>\n" );
document.write( "(i)q^2 1, (ii)q^2 2, (iii) q1q2, (iv)q2q1\r<BR>\n" );
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document.write( "What are i, j, k here? Quaternion units?<BR>\n" );
document.write( "Why do not say it at very beginning?<BR>\n" );
document.write( "How can I recognise them otherwise?\r<BR>\n" );
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document.write( "What is (i)q^2 1 ??\r<BR>\n" );
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document.write( "What is (ii)q^2 2 ???\r<BR>\n" );
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