हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान कक्षा ११

Find the derivatives of the following functions with respect to corresponding independent variables: g(t) = t3 cos t

Advertisements
Advertisements

प्रश्न

Find the derivatives of the following functions with respect to corresponding independent variables:

g(t) = t3 cos t

योग
Advertisements

उत्तर

g(t) = t3 cos t

(i.e.) u = t3 and v = cos t

Let u’ = `("d"u)/("d"x)` and v’ = `("d"v)/("d"x)` = (– sin t)

g'(t) = uv’ + vu’

g'(t) = t3 (– sin t) + cos t (3t2)

= – t3 sin t + 3t2 cos t

shaalaa.com
Differentiation Rules
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Differential Calculus - Differentiability and Methods of Differentiation - Exercise 10.2 [पृष्ठ १६०]

APPEARS IN

सामाचीर कलवी Mathematics - Volume 1 and 2 [English] Class 11 TN Board
अध्याय 10 Differential Calculus - Differentiability and Methods of Differentiation
Exercise 10.2 | Q 5 | पृष्ठ १६०

संबंधित प्रश्न

Find the derivatives of the following functions with respect to corresponding independent variables:

y = sin x + cos x


Find the derivatives of the following functions with respect to corresponding independent variables:

y = ex sin x


Find the derivatives of the following functions with respect to corresponding independent variables:

y = x sin x cos x


Find the derivatives of the following functions with respect to corresponding independent variables:

y = (x2 + 5) log(1 + x) e–3x 


Differentiate the following:
y = tan 3x


Differentiate the following:
y = cos (tan x)


Differentiate the following:

f(t) = `root(3)(1 + tan "t")`


Differentiate the following:

y = `(x^2 + 1) root(3)(x^2 + 2)`


Differentiate the following:
y = `sqrt(x +sqrt(x)`


Differentiate the following:
y = `sqrt(x + sqrt(x + sqrt(x)`


Find the derivatives of the following:

`sqrt(x^2 + y^2) = tan^-1 (y/x)`


Find the derivatives of the following:
tan (x + y) + tan (x – y) = x


Find the derivatives of the following:

If x = a(θ + sin θ), y = a(1 – cos θ) then prove that at θ = `pi/2`, yn = `1/"a"`


Find the derivatives of the following:

If y = `(cos^-1 x)^2`, prove that `(1 - x^2) ("d"^2y)/("d"x)^2 - x ("d"y)/("d"x) - 2` = 0. Hence find y2 when x = 0


Choose the correct alternative:

If y = `1/4 u^4`, u = `2/3 x^3 + 5`, then `("d"y)/("d"x)` is 


Choose the correct alternative:
If f(x) = x tan-1x then f'(1) is


Choose the correct alternative:

`"d"/("d"x) ("e"^(x + 5log x))` is


Choose the correct alternative:

If x = a sin θ and y = b cos θ, then `("d"^2y)/("d"x^2)` is


Choose the correct alternative:

The differential coefficient of `log_10 x` with respect to `log_x 10` is


Choose the correct alternative:

The number of points in R in which the function f(x) = |x – 1| + |x – 3| + sin x is not differentiable, is


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×