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Home / Doubts and Solutions/JEE/Mathematics

Sir/Ma'am pl tell the above question.
Pl tell domain and Range both😊

Asked by neeraj.unnao 25th September 2017, 4:13 AM
Answered by Expert
Answer:
begin mathsize 16px style To space find space the space domain space of space the space function space in space the space square space root space we space always space use space the space condition space on space the space function space is space always space greater space than space zero comma space Otherwise space domain space will space be space imaginary. Here comma space straight f left parenthesis straight x right parenthesis space equals space square root of straight x squared space minus space 4 end root straight x squared space minus space 4 greater than 0 space rightwards double arrow straight x squared space greater than space 4 rightwards double arrow straight x space less than space minus 2 space or space straight x space greater than space 2 Range space of space the space given space function space is space always space positive space hence comma space it space is space left square bracket 0 comma space infinity right parenthesis. end style
Answered by Expert 25th September 2017, 9:19 AM
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