हिंदी

Differentiate the function with respect to x: (3x2 – 9x + 5)9

Advertisements
Advertisements

प्रश्न

Differentiate the function with respect to x:

(3x2 – 9x + 5)9

योग
Advertisements

उत्तर

Let, y = (3x2 – 9x + 5)9

On differentiating with respect to x,

`dy/dx = d/dx (3x^2 - 9x + 5)^9`

= `9 (3x^2 - 9x + 5)^(9 - 1) d/dx (3x^3 - 9x + 5)`

= 9(3x2 – 9x + 5)8 ⋅ (6x – 9)

= 27(3x2 – 9x + 5)8 ⋅ (2x – 3)

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Continuity and Differentiability - Exercise 5.9 [पृष्ठ १९१]

APPEARS IN

एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
अध्याय 5 Continuity and Differentiability
Exercise 5.9 | Q 1 | पृष्ठ १९१

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

Differentiate the function with respect to x:

sin3 x + cos6 x


Differentiate the function with respect to x:

`(5x)^(3cos 2x)`


Differentiate the function with respect to x:

`sin^(–1)(xsqrtx), 0 ≤ x ≤ 1`


Differentiate the function with respect to x:

`(cos^(-1)  x/2)/sqrt(2x+7)`, −2 < x < 2


Differentiate the function with respect to x:

`x^(x^2 -3) + (x -3)^(x^2)`, for x > 3


If (x – a)2 + (y – b)2 = c2, for some c > 0, prove that `[1+ (dy/dx)^2]^(3/2)/((d^2y)/dx^2)` is a constant independent of a and b.


If sin y = xsin(a + y) prove that `(dy)/(dx) = sin^2(a + y)/sin a`


Let f(x) = x|x|, for all x ∈ R. Discuss the derivability of f(x) at x = 0


Let f(x)= |cosx|. Then, ______.


Differential coefficient of sec (tan–1x) w.r.t. x is ______.


COLUMN-I COLUMN-II
(A) If a function
f(x) = `{((sin3x)/x, "if"  x = 0),("k"/2",",  "if"  x = 0):}`
is continuous at x = 0, then k is equal to
(a) |x|
(B) Every continuous function is differentiable (b) True
(C) An example of a function which is continuous
everywhere but not differentiable at exactly one point
(c) 6
(D) The identity function i.e. f (x) = x ∀ ∈x R
is a continuous function
(d) False

`sin^-1  1/sqrt(x + 1)`


(x + 1)2(x + 2)3(x + 3)4


`cos^-1 ((sinx + cosx)/sqrt(2)), (-pi)/4 < x < pi/4`


`tan^-1 (secx + tanx), - pi/2 < x < pi/2`


If xm . yn = (x + y)m+n, prove that `("d"^2"y")/("dx"^2)` = 0


For the curve `sqrt(x) + sqrt(y)` = 1, `"dy"/"dx"` at `(1/4, 1/4)` is ______.


The differential coefficient of `"tan"^-1 ((sqrt(1 + "x") - sqrt (1 - "x"))/(sqrt (1+ "x") + sqrt (1 - "x")))` is ____________.


The rate of increase of bacteria in a certain culture is proportional to the number present. If it doubles in 5 hours then in 25 hours, its number would be


`d/(dx)[sin^-1(xsqrt(1 - x) - sqrt(x)sqrt(1 - x^2))]` is equal to


If sin y = x sin (a + y), then value of dy/dx is


Let f: R→R and f be a differentiable function such that f(x + 2y) = f(x) + 4f(y) + 2y(2x – 1) ∀ x, y ∈ R and f’(0) = 1, then f(3) + f’(3) is ______.


If f(x) = `{{:((sin(p  +  1)x  +  sinx)/x,",", x < 0),(q,",", x = 0),((sqrt(x  +  x^2)  -  sqrt(x))/(x^(3//2)),",", x > 0):}`

is continuous at x = 0, then the ordered pair (p, q) is equal to ______.


If f(x) = `{{:(ax + b; 0 < x ≤ 1),(2x^2 - x; 1 < x < 2):}` is a differentiable function in (0, 2), then find the values of a and b.


The function f(x) = x | x |, x ∈ R is differentiable ______.


Which expression defines the derivative of a real function \[f\] at a point \[c\] in its domain?


If \[u\] and \[v\] are differentiable functions, which formula is correct?


For \[v\ne0\], what is the derivative of \[\frac{u}{v}\]?


What is \[\frac{d}{dx}(\tan x)\]?


When is a function differentiable on an open interval \[(a,b)\]?


For differentiability on a closed interval \[[a,b]\], which derivative is considered at \[b\]?


Which conclusion establishes that \[f\] is continuous at \[x=c\]?


What does differentiability at a point mean?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×