document.write( "Question 966363: Q.1, IF A AND B ARE SQUARE AND ARE COMMUTATIVE THEN AB IS EQUAL BA ? TRUE OR FALSE?\r
\n" ); document.write( "\n" ); document.write( "Q.2,IN HOW MANY WAYS LETTER LEARN CAN BE ARRANGED , IF VOWELS OCCUPY ODD PLACES? 12 OR 18 OR 26 OR NONE OF ABOVE ?\r
\n" ); document.write( "\n" ); document.write( "Q.3 ,GIVEN A STRAIT LINE Y=3X+2, FIND THE AREA UNDER THE LINE BETWEEN X=2 TO X=5? 75 OR 35 OR 75/2 or 35/2 ?\r
\n" ); document.write( "\n" ); document.write( "Appreciate if you could answer on above question. Thanks well in advance.\r
\n" ); document.write( "\n" ); document.write( "Regards- Raheeq \n" ); document.write( "
Algebra.Com's Answer #590789 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
Q.1, IF A AND B ARE SQUARE AND ARE COMMUTATIVE THEN AB IS EQUAL BA ? TRUE OR
\n" ); document.write( "FALSE?
\n" ); document.write( "
\r\n" );
document.write( "If A and B are elements of a set with an operation @ that is commutative \r\n" );
document.write( "then an operation is commutative then A@B = B@A.  If no symbol for the\r\n" );
document.write( "operation is used then AB = BA.\r\n" );
document.write( "

\n" ); document.write( "Q.2,IN HOW MANY WAYS the LETTERs in the word \"LEARN\" CAN BE ARRANGED, IF VOWELS
\n" ); document.write( "OCCUPY ODD PLACES? 12 OR 18 OR 26 OR NONE OF ABOVE ?
\n" ); document.write( "
\r\n" );
document.write( "\"LEARN\" has 2 vowels, A and E, and 3 consonants L, R, and N. If V represents a\r\n" );
document.write( "vowel and C represents a consonant, then there are 3 basic forms in which an\r\n" );
document.write( "arrangement can have vowels in odd positions, where V represents a vowel and\r\n" );
document.write( "C represents a consonant: \r\n" );
document.write( "\r\n" );
document.write( "VCVCC, VCCCV, and CCVCV\r\n" );
document.write( "\r\n" );
document.write( "1. We choose the form in 3 ways.\r\n" );
document.write( "2. We choose the letter for the left-most vowel in either of the 2 ways.\r\n" );
document.write( "3. We choose the letter for the right-most vowel the only 1 remaining way.\r\n" );
document.write( "4. We choose the letmost consonant in 3 ways.\r\n" );
document.write( "5. We choose the second consonant in either of the 2 remaining ways.\r\n" );
document.write( "6. We choose the letter for the right-most consonant the only 1 remaining way.\r\n" );
document.write( "  \r\n" );
document.write( "That's 3*2*1*3*2*1 = 36 ways.\r\n" );
document.write( "

\n" ); document.write( "Q.3 ,GIVEN A STRAIT LINE Y=3X+2, FIND THE AREA UNDER THE LINE BETWEEN X=2 TO
\n" ); document.write( "X=5? 75 OR 35 OR 75/2 or 35/2 ?
\n" ); document.write( "
\r\n" );
document.write( "We draw the graph:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The figure is a \"trapezoid\" in the US, or a \"trapezium\" in the UK.  \r\n" );
document.write( "Its area is:\r\n" );
document.write( "\r\n" );
document.write( "the average of the lengths of the two parallel sides multiplied by the \r\n" );
document.write( "perpendicular distance between the two parallel sides.\r\n" );
document.write( "\r\n" );
document.write( "The average of the two parallel sides is \"%288%2B17%29%2F2=25%2F2\"\r\n" );
document.write( "The perpendicular distance between the two parallel sides is 3.\r\n" );
document.write( "So the area is \"expr%2825%2F2%29%2A%283%29+=+75%2F2\".\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );