Given f(x) = x $$ f(x-1) for any natural number 'x'. If f(x+2) = 20 $$ f(x), then what is the value of 'x'?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of these

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D None of these
Option (d) is the correct answer. Check the video for the approach.

Suggest Corrections

Similar questions

Q. Let f(x) = |x − 1|. Then,

(a) f(x²) = [f(x)]²
(b) f(x + y) = f(x) f(y)
(c) f(|x| = |f(x)|
(d) None of these

Q. Read the information given below and answer the questions that follows:
If f(x) = 2x + 3 and g(x) =

\frac{x - 3}{2}

, then

For what value of x; f(x) = g(x – 3)

Q. The number of points of discontinuity of

f (x)

where

f (x) = ∣ ∣ ∣ ∣ ∣ | x + [x] | - 3 [x] ∣ ∣ - 5 [x] ∣ ∣ ∣ on [- 2, 2]

is
(where

[x]

denotes greatest integer function)

Q. Let f(x) = x³ − 6x² + 15x + 3. Then,
(a) f(x) > 0 for all x ∈ R
(b) f(x) > f(x + 1) for all x ∈ R
(c) f(x) is invertible
(d) none of these

If f(x) = [sin x] + [cos x], $x \in [0, 2 π]$ , where [.] denotes the greatest integer function. Then, the total number of points, where f(x) is non – differentiable, is

Join BYJU'S Learning Program

Given f(x) = x ∗ f(x-1) for any natural number 'x'. If f(x+2) = 20 ∗ f(x), then what is the value of 'x'?

The correct option is D None of theseOption (d) is the correct answer. Check the video for the approach.

Given f(x) = x $$ f(x-1) for any natural number 'x'. If f(x+2) = 20 $$ f(x), then what is the value of 'x'?

The correct option is D None of these
Option (d) is the correct answer. Check the video for the approach.