If a 1221 and f x 1 + x 1 – x then f a is
WebExplanation for the correct option: Step 1: Find the value of f ' x at x = e: Given that, f x = x 1 x. f e = e 1 e ... 1. By taking log on both sides, log f x = log x 1 x log f x = 1 x log x [ ∵ log a n = n log a] Differentiate the above function with respect to x, 1 f x f ' x = 1 x 1 x - log x 1 x 2 [ ∵ d ( u v) d x = u v ' + v u ' , d ... Web31 okt. 2024 · Most Helpful Expert Reply. The function f is defined by f (x) = - 1/x for all nonzero numbers x. If f (a) = - 1/2 and f (ab) = 1/6, then b =. Given: f ( x) = − 1 x. As f ( a) = − 1 a = − 1 2 then a = 2, also as f ( a b) = − 1 a b = 1 6 then a b = − 6 --> 2 b = − 6 - …
If a 1221 and f x 1 + x 1 – x then f a is
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WebIf a +α=1, b +β=2 and af x +α f 1/ x = bx +β/ x , x '=0, then the value of the expression f x + f 1/ x / x +1/ x is. Login. Study Materials. NCERT Solutions. NCERT Solutions For Class 12. NCERT Solutions For Class 12 Physics; NCERT Solutions For Class 12 Chemistry; NCERT Solutions For Class 12 Biology; WebIf f(x) is a polynomial satisfying f(x)f(1/x)=f(x)+f(1/x) and f(3)=28, then f(4) is equal to A 63 B 65 C 17 D None of these Medium Solution Verified by Toppr Correct option is B) f(x)=x n+1 ⇒f(3)=3 n+1=28 ⇒3 n=27 ∴n=3 ∴f(4)=4 3+1=65. Was this answer helpful? 0 0 Similar questions Assertion If f(x) is a quadratic polynomial satisfying f(2)+f(4)=0.
Web3 dec. 2024 · selected Dec 4, 2024 by SudhirMandal Best answer Correct option (B) One-to-one but not onto Explanation : f (x) = x/1 + x is one-to-one and into function. x1,x2 (0,∞), for one-to-one function. Now, Range of f (x) ∈ [0 ,1) and range of f (x) is not equal to co-domain. Hence, f (x) is not onto function. ← Prev Question Next Question → WebAs per your request, we shall try the restriction that should be a polynomal. Two polynomial solutions jump into our eyes, namely the zero polynomial and . Neither of these has , …
WebDivide f-2, the coefficient of the x term, by 2 to get \frac{f}{2}-1. Then add the square of \frac{f}{2}-1 to both sides of the equation. This step makes the left hand side of the equation a perfect square. WebGiven a function f (x), f (x), we represent its inverse as f − 1 (x), f − 1 (x), read as “ f “ f inverse of x. ” x. ” The raised −1 −1 is part of the notation. It is not an exponent; it does …
WebCorrect option is D) We have f{f(x)}=x for all x =−1 ⇒f(x+1αx)=x for all x =−1 ⇒(x+1αx)+1α(x+1αx)=x for all x =−1 ⇒ αx+x+1α 2x =x for all x =−1 ⇒(α+1)x 2+(1−α 2)x=0 ⇒α+1=0;1−α 2=0 ∴α=−1 Video Explanation Was this answer helpful? 0 0 Similar questions If f(x)= 1+x1−x,x =0,−1 = 6 = Find the values of a) f(5) b) f(3) c) f(1) d) f(2)−f(4) 2f(5)−3f(1
WebIf F ( X ) = X − 1 X + 1 , Then Show that (I) F ( 1 X ) = − F ( X ) (Ii) F ( − 1 X ) = − 1 F ( X ) Department of Pre-University Education, Karnataka PUC Karnataka Science Class 11. Textbook Solutions 11069. Important Solutions 5. Question Bank Solutions 5824 ... nigeria company registrationWeb20 nov. 2014 · 1 First, f − 1 ( y) = { x ∈ X: f ( x) = y) }. If y ∈ B, so exist x ∈ X that f ( x) = y (f is onto), then f ( f − 1 ( y)) ∈ B, by definition, so f ( f − 1 ( y)) ⊂ B. Now, y ∈ f ( f − 1 ( B)), how f is onto exist x ∈ f − 1 ( B), such that f ( x) = y, then y ∈ B, so f ( f − 1 ( B)) ⊂ B. Share Cite Follow edited Nov 20, 2014 at 1:00 nigeria computer society membershipWeb30 mrt. 2024 · If [1 2 2 1] [x y] = [5 4] , then value of y is __ - Sample Paper. Class 12. Solutions of Sample Papers and Past Year Papers - for Class 12 Boards. CBSE Class 12 Sample Paper for 2024 Boards. You are here Question 18 (OR 1st Question) Question 18 (OR 2nd Question) Question 19 Question 20 Question 21 (OR 1st Question) Question 21 … nph insulin adverse reactionsWeb10 jul. 2024 · If A = [1221] and f (x) = (1 + x) (1 – x), then f (a) is Advertisement aditya7575 is waiting for your help. Add your answer and earn points. Expert-Verified Answer 3 … nph insulin abbreviationWebIf A=[1221] and f(x)= 1−x1+x, then f(A) is A [1111] B [−1−1−1−1] C [2222] D none of these Hard Solution Verified by Toppr Correct option is B) f(A)= I−AI+A (I−A)f(A)=(I+A) … nigeria constitution on presidential electionWebWe have, f (x) = x − 1 x ∴ f (a + 1) f (a) = a + 1 − 1 a + 1 (a − 1 a ) = a a + 1 a − 1 a = a 2 − 1 a 2 . Also, f (a 2) = a 2 − 1 a 2 . so, f (a + 1) f (a) = f (a 2) nph in brainWebThe function f(x)=log(1−x1+x) satisfies the equation A f(x+2)−2f(x+1)+f(x)=0 B f(x)+f(x+1)=f{x(x+1)} C f(x)+f(y)=f(1+xyx+y) D f(x+y)=f(x)f(y) Easy Solution Verified by … nph insulin 20 units