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Let f : R→R , f(x) …

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Let f : R→R , f(x) = x^3 , then f is

    • Posted by Olia Choudhury 4 years ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Chiranjeevi Kaushal 3 years, 11 months ago

    Given , f : R→R , f(x) = x³ Let , x' & x" are two different number and f(x') = f(x") Thus , (x')³ = (x")³ x' = x" Therefore , f is one one Now , y = x³ x = ³√y For every value of y in set B there is x in set A i.e for every element of set B have pre image in set A Therefore , f is onto Hence , f is one one and onto i.e bijective

    0Thank You

    Tanu K 4 years ago

    One one and onto

    0Thank You

    ANSWER
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    Posted by Neemisha Gusain 4 months, 2 weeks ago

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