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2Tx+yEXAMPLE 6. If5+2find the values of x,y and 2.xy58 |
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Answer» After comparison,x + y = 6, ( i )5 + z = 5, ( ii )x * y = 8, ( III )From equation ( ii ),z = 0,From equation ( i ) and ( iii ),( x - y )^2 = ( x + y )^2 - 4 * x * y, = 36 - 32, = 4,( x - y ) = 2, ( iv )From equation ( i ) and ( iv ),x = 4,y = 2. |
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