Prachi kashyap Asked a Question
February 3, 2022 11:31 ampts 30 pts
49. A = {ke R:x* -12x + k = 0 has two real roots in-1, 1 then cardinality of A is
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  • Piyush pachauri thankyou
    Ans is 0. If f(x) has 2 roots in interval it implies f'(x) has atleast 1 root in interval which is not possible.
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