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Question Number 23488 Answers: 0 Comments: 0

area of a(1−cos θ)

$a r e a o f a (1 - \cos θ)$

Question Number 23485 Answers: 0 Comments: 0

(1/(cos (x−a)cos (x−b)))

$\frac{1}{\cos (x - a) \cos (x - b)}$

Question Number 23481 Answers: 0 Comments: 5

Which of the diagrams represents variation of total mechanical energy of a pendulum oscillating in air as function of time?

$Which of the diagrams represents$ $variation of total mechanical energy of$ $a pendulum oscillating in air as function$ $of time ?$

Question Number 23479 Answers: 0 Comments: 0

Common solution. (d/dy)(u_x +u)+2x^2 y(u_x +u)=0.

$Common solution .$ $\frac{d}{d y} (u_{x} + u) + 2 x^{2} y (u_{x} + u) = 0 .$

Question Number 23477 Answers: 0 Comments: 0

Find the value of x, ∫_(−∞) ^x dx = ∫∣± sinh cot ln (15−(√(33+x)))∣ dx

$Find the value of x,$ $\int_{- \infty}^{x} d x = \int ∣ \pm \sinh \cot \ln (15 - \sqrt{33 + x}) ∣ dx$

Question Number 23476 Answers: 0 Comments: 0

Question Number 23472 Answers: 1 Comments: 1

Question Number 23471 Answers: 1 Comments: 0

Prove that ΣΣ_(0≤i<j≤n) ((1/(^n C_i )) + (1/(^n C_j ))) = Σ_(r=0) ^(n−1) ((n − r)/(^n C_r )) + Σ_(r=1) ^n (r/(^n C_r ))

$P r o v e t h a t$ $\underset{0 ⩽ i < j ⩽ n}{Σ Σ} (\frac{1}{^{n} C_{i}} + \frac{1}{^{n} C_{j}}) = \underset{r = 0}{\sum^{n - 1}} \frac{n - r}{^{n} C_{r}} + \underset{r = 1}{\sum^{n}} \frac{r}{^{n} C_{r}}$

Question Number 23458 Answers: 0 Comments: 1

Question Number 23445 Answers: 1 Comments: 0

Solve the equation: (∂^2 u/(∂x∂y)) = sin(x)cos(y), subjected to the boundary conditions at y = (π/2), (∂u/∂x) = 2x and x = π, u = 2sin(y)

$Solve the equation : \frac{\partial^{2} u}{\partial x \partial y} = \sin (x) \cos (y), subjected to the boundary$ $conditions at y = \frac{π}{2}, \frac{\partial u}{\partial x} = 2 x and x = π, u = 2 \sin (y)$

Question Number 23444 Answers: 0 Comments: 0

Question Number 23442 Answers: 1 Comments: 2

Find a unit vector which is perpendicula to a vector A(3coma5coma1) Sorry for writing coma cuz i dnt see a key for it

$Find a unit vector which is perpendicula$ $to a vector A (3 coma 5 coma 1)$ $Sorry for writing coma cuz i dnt see a key for it$

Question Number 23433 Answers: 0 Comments: 0

∫_0 ^∞ X^6 e^(−x/2) dx=

$\int_{0}^{\infty} X^{6} e^{- x / 2} d x =$

Question Number 23432 Answers: 1 Comments: 0

∫_0 ^a f(x)dx=

$\int_{0}^{a} f (x) d x =$

Question Number 23431 Answers: 0 Comments: 0

If X is a discrete random variable then p(X≥a)=

$I f X i s a d i s c r e t e r a n d o m v a r i a b l e t h e n p (X ⩾ a) =$

Question Number 23429 Answers: 0 Comments: 1

An asymptote to the curve y^2 (1+x)=x^2 (1−x) is

$A n a s y m p t o t e t o t h e c u r v e y^{2} (1 + x) = x^{2} (1 - x) i s$

Question Number 23428 Answers: 2 Comments: 0

the curve ay^2 =x^2 (3a−x) cuts the y-axis at

$t h e c u r v e {a y}^{2} = x^{2} (3 a - x) c u t s t h e y - a x i s a t$

Question Number 23426 Answers: 1 Comments: 0

just a silly question: write a correct maths equation using only symbols below. Each must be used and only once. 2, 3, 4, 5, =, +

$j u s t a s i l l y q u e s t i o n :$ $w r i t e a c o r r e c t m a t h s e q u a t i o n$ $u s i n g o n l y s y m b o l s b e l o w . E a c h$ $m u s t b e u s e d a n d o n l y o n c e .$ $2, 3, 4, 5, =, +$

Question Number 23425 Answers: 0 Comments: 0

a,b,c>0 ⇒((a^3 +b^3 +c^3 )/((a+b)(b+c)(c+a)))≥(3/8) ?

$a, b, c > 0 \Rightarrow \frac{a^{3} + b^{3} + c^{3}}{(a + b) (b + c) (c + a)} ⩾ \frac{3}{8} ?$

Question Number 23419 Answers: 2 Comments: 0

Question Number 23418 Answers: 1 Comments: 0

∫sec^2 (√x) /(√x) dx

$\int \sec^{2} \sqrt{x} / \sqrt{x} dx$

Question Number 23411 Answers: 2 Comments: 1

Question Number 23409 Answers: 1 Comments: 0

Hybridisation of N in HNO_3 is

$Hybridisation of N in {HNO}_{3} is$

Question Number 23408 Answers: 1 Comments: 0

Question Number 23402 Answers: 0 Comments: 2

Question Number 23394 Answers: 1 Comments: 0

Which is correct statement? (1) The entropy of the universe increases and tends towards the maximum value (2) All natural processes are irreversible (3) For reversible isolated processes, change of entropy is zero (4) For irreversible expansion of isolated processes, entropy change < 0

$Which is correct statement ?$ $(1) The entropy of the universe increases$ $and tends towards the maximum$ $value$ $(2) All natural processes are irreversible$ $(3) For reversible isolated processes,$ $change of entropy is zero$ $(4) For irreversible expansion of$ $isolated processes, entropy change < 0$

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