Question: ( 3 ) V X E R 3 1 X - 41 - 2 1 94 7 1 2 1-2 2 to prove it i

 ( 3 ) V X E R 3 1 X -41 - 2 1 94 7 1 2 1-2 2 to prove

( 3 ) V X E R 3 1 X - 41 - 2 1 94 7 1 2 1-2 2 to prove it i will go step by Step 1 define all intervals and their cases . 1X - 4) x7/ 4 01 x 64 let x ER . 1x+7 x 7 - For x2-7 test all cases .x24 X - 26 2 4 - 26 => X -262-22 2 X - 12 - 14> - 22 7 38 - 27 -12-142-22 38 - 12- 27- 19 2 - 22 =7 3 ( 2 - 4) - 21 2 + 7)2 -22 Since 124 therefore: = ) 3 18 - 4 1 - 212+ 7/2-22 as desieva\f

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