Rohitash Meena Asked a Question
February 13, 2021 11:03 ampts 1 pts
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  • P Choursiya
    yes
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  • Debasmita maji
    take any number from real number.... then check out.
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  • Debasmita maji thankyou
    Yes.... it's always true. when a, b, c, d all are real
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    Rohitash Meena
    if ab>0 and cd>0 then what can be said about ab+cd.. will they be >0 always?