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help ......please ..................

help ......please ..................

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Grade:12

1 Answers

srikar
40 Points
6 years ago
from the question itself,
 
Lt(x--->5) (f(x))2-9 = 0 hence f(5)=3 or -3  but range of f(x) is[0,infinite) 
          hence f(x) = 3

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