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Asked by rohan1234rathor | 07 Jun, 2022, 08:20: PM
answered-by-expert Expert Answer
2x + 2y = 2
rightwards double arrow 2 to the power of straight y equals 2 minus 2 to the power of straight x rightwards double arrow log subscript 2 space 2 to the power of straight y equals log subscript 2 open parentheses 2 minus 2 to the power of straight x close parentheses rightwards double arrow straight y equals log subscript 2 open parentheses 2 minus 2 to the power of straight x close parentheses rightwards double arrow straight f left parenthesis straight x right parenthesis equals log subscript 2 open parentheses 2 minus 2 to the power of straight x close parentheses Now comma space log space straight x space is space defined space for space straight x space greater than space 0 Therefore comma space we space must space have space 2 minus 2 to the power of straight x greater than 0 straight i. straight e. space 2 greater than 2 to the power of straight x rightwards double arrow log subscript 2 space 2 greater than log subscript 2 space 2 to the power of straight x rightwards double arrow 1 greater than straight x rightwards double arrow straight x greater than 1 Hence comma space the space domain space of space straight f left parenthesis straight x right parenthesis space is space left parenthesis 1 comma space infinity right parenthesis.
Answered by Renu Varma | 08 Jun, 2022, 11:49: AM
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JEE main - Maths
sin-1(sin5π/3)
Asked by nirmalraulji5 | 18 Apr, 2024, 09:03: PM
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JEE main - Maths
Question no 2.
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Asked by rohanraj999v | 25 Mar, 2024, 06:38: PM
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JEE main - Maths
let f:[0,10] to [1,20] be a function defined as f(x)= 60-5x/3,0≤x≤6 10, 6≤x≤7 then f is 31-3x, 7≤x≤10
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JEE main - Maths
state the sign of the expression x2-5x+6
Asked by sushmaakhila55 | 07 Mar, 2024, 06:00: AM
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JEE main - Maths
given f:AtoR is defined as f(x)= x³+1, where A={1,2,-1,-2,0}. Then range of f IS
Asked by budiga1949 | 07 Feb, 2024, 07:34: PM
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JEE main - Maths
what is the answer
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Asked by banumurthy2007 | 07 Jan, 2024, 07:58: PM
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JEE main - Maths
19. If f(x)=x+c,f(0)=/(0)=1 then /(2)=
Asked by masrulmallick014 | 25 Dec, 2023, 10:41: PM
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JEE main - Maths
rang of quadratic expression y=x^2+6x-4 and x belong to (-4,3)
Asked by maheshv9090 | 16 Oct, 2023, 09:30: PM
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JEE main - Maths
Q) Find the range of f(x) = x + 1/x Ans) See the image which I have uploaded.. I have just broken the eqn into √x² + 1/√x² +2 -2 ..and have formed the identity (a+b)² and the range is coming  (-∞, 2 ] U [ -2, ∞ ) which is wrong.. the correct range is coming from (a-b)² which is (-∞, -2 ] U [ 2, ∞ ). My Doubt- Why (a+b)² is not giving the correct range? Request- Please send the solution using (a+b)². I've attached an image and let me know if I'm wrong somewhere or why the correct solution isn't coming by using (a+b)². Thanks, Samit  Future Top 50 ranker in JEE ADVANCE
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Asked by samithatty | 01 Dec, 2022, 10:32: PM
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JEE main - Maths
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Asked by swayamagarwal2114 | 01 Aug, 2022, 01:47: AM
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