Видео ютуба по тегу Doubtify Jee

The Kα X-ray emission line of tungsten occurs at λ = 0.021 nm. The energy difference..| Doubtify JEE
The Kα X-ray emission line of tungsten occurs at λ = 0.021 nm. The energy difference..| Doubtify JEE
Mastering Thermodynamics: Exploring the Relation of ΔG and ΔG° | Thermodynamics Simplified | KKD
Mastering Thermodynamics: Exploring the Relation of ΔG and ΔG° | Thermodynamics Simplified | KKD
Integrating factor of x dy/dx - y = x⁴ - 3x is:...| Doubtify JEE
Integrating factor of x dy/dx - y = x⁴ - 3x is:...| Doubtify JEE
Quantitative analysis of an organic compound (X) shows following % composition...| Doubtify JEE
Quantitative analysis of an organic compound (X) shows following % composition...| Doubtify JEE
The minimum value of 8(cos 2θ + cos θ) is equal to:...| Doubtify JEE Main
The minimum value of 8(cos 2θ + cos θ) is equal to:...| Doubtify JEE Main
Two radioactive elements A and B undergo alpha and beta decay respectively. The...| Doubtify JEE
Two radioactive elements A and B undergo alpha and beta decay respectively. The...| Doubtify JEE
The solution of differential equation dy/dx = cos(x - y):...| Doubtify JEE
The solution of differential equation dy/dx = cos(x - y):...| Doubtify JEE
Snell’s Law of Refraction in 59 Sec!
Snell’s Law of Refraction in 59 Sec!
The position of a particle moving on x-axis is given by x(t) = Asint + Bcos²t...| Doubtify JEE
The position of a particle moving on x-axis is given by x(t) = Asint + Bcos²t...| Doubtify JEE
For a positive integer n, let a(n) = 1 + 1/2 + 1/3 + 1/4 + .... + 1/ (2ⁿ - 1), then...| Doubtify JEE
For a positive integer n, let a(n) = 1 + 1/2 + 1/3 + 1/4 + .... + 1/ (2ⁿ - 1), then...| Doubtify JEE
Let the area of the triangle formed by the lines x + 2 = y − 1 = z, x − 3/5 = y/−1...| Doubtify JEE
Let the area of the triangle formed by the lines x + 2 = y − 1 = z, x − 3/5 = y/−1...| Doubtify JEE
The value of cos1°. cos2° ...... cose179° is...| Doubtify JEE
The value of cos1°. cos2° ...... cose179° is...| Doubtify JEE
Solution of the differential equation tany.sec²xdx + tanx.sec²ydy = 0 is:...| Doubtify JEE
Solution of the differential equation tany.sec²xdx + tanx.sec²ydy = 0 is:...| Doubtify JEE
Two balls with same mass and initial velocity, are projected at different angles...| Doubtify JEE
Two balls with same mass and initial velocity, are projected at different angles...| Doubtify JEE
Let f(x) be a positive function and I₁ = ∫¹₋₁/₂ 2x f(2x(1−2x))dx and I₂ = ∫²₋₁...| Doubtify JEE
Let f(x) be a positive function and I₁ = ∫¹₋₁/₂ 2x f(2x(1−2x))dx and I₂ = ∫²₋₁...| Doubtify JEE
Which of the following binary mixture does not show the behaviour of minimum...| Doubtify JEE
Which of the following binary mixture does not show the behaviour of minimum...| Doubtify JEE
If the set of all a ∈ R, for which the equation 2x² + (a−5)x + 15 − 3a = 0 has no...| Doubtify JEE
If the set of all a ∈ R, for which the equation 2x² + (a−5)x + 15 − 3a = 0 has no...| Doubtify JEE
The product of all the rational roots of the equation (x² − 9x + 11)² − (x − 4)...| Doubtify JEE
The product of all the rational roots of the equation (x² − 9x + 11)² − (x − 4)...| Doubtify JEE
The argument of -3i.|5 - 13i| is:...| Doubtify JEE
The argument of -3i.|5 - 13i| is:...| Doubtify JEE
If 1/1⁴ + 1/2⁴ + 1/3⁴ + ... + ∞ = π⁴/90, 1/1⁴ + 1/3⁴ + 1/5⁴ + ... + ∞ = α, 1/2⁴ +...| Doubtify JEE
If 1/1⁴ + 1/2⁴ + 1/3⁴ + ... + ∞ = π⁴/90, 1/1⁴ + 1/3⁴ + 1/5⁴ + ... + ∞ = α, 1/2⁴ +...| Doubtify JEE
If tanθ = 1 - cosϕ / sinϕ, then tan 3θ is equal to:...| Doubtify JEE Main
If tanθ = 1 - cosϕ / sinϕ, then tan 3θ is equal to:...| Doubtify JEE Main
If the multiplicative inverse of a complex number is √ 2 + 5i / 17, then the complex..| Doubtify JEE
If the multiplicative inverse of a complex number is √ 2 + 5i / 17, then the complex..| Doubtify JEE
Match List - I with List - II.List - I(A) Permeability of free space(B) Magnetic...| Doubtify JEE
Match List - I with List - II.List - I(A) Permeability of free space(B) Magnetic...| Doubtify JEE
If mcosec θ + ncot θ = 2 and m²cosec²θ - n²cot²θ = 5, then 81/m² - 1/n² is...| Doubtify JEE Main
If mcosec θ + ncot θ = 2 and m²cosec²θ - n²cot²θ = 5, then 81/m² - 1/n² is...| Doubtify JEE Main
Integration Trick: tan⁻¹ Form in 60 Seconds! 🔥 | JEE Maths
Integration Trick: tan⁻¹ Form in 60 Seconds! 🔥 | JEE Maths