Verify that | x + y | _< | × | + | y | by taking x=2/3, y= -3/5.
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Hence it is verified ....
(because according to the question,the lx+yl should be greater than or equal to the lxl + lyl........
so the given value of lx+yl is greater than
lxl+lyl.......
Hence it is verified
Hope!!! it helps you.......
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