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If plane x + ay + z = 4 has equal intercepts on axes, then 'a' is equal to ______.
Concept: undefined >> undefined
If equation tan θ + tan 2θ + tan θ tan 2θ = 1, θ = ______.
Concept: undefined >> undefined
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`int_(-1)^1 (x + x^3)/(9 - x^2) "d"x` = ______.
Concept: undefined >> undefined
If the line `(x + 1)/2 = (y - 5)/3 = (z - "p")/6` lies in the plane 3x – 14y + 6z + 49 = 0, then the value of p is ______.
Concept: undefined >> undefined
The equation of the 1 plane passing through the points (1, –1, 1), (3, 2, 4) and parallel to Y-axis is ______.
Concept: undefined >> undefined
The minimum value of z = 7x + 9y subject to 3x + y ≤ 6, 5x + 8y ≤ 40, x ≥ 0, y ≥ 2 is ______.
Concept: undefined >> undefined
Negation of (p ∧ q) → (∼p ∨ r) is ______.
Concept: undefined >> undefined
The differential equation for all the straight lines which are at the distance of 2 units from the origin is ______.
Concept: undefined >> undefined
The negation of the statement, ∃ x ∈ R, such that x3 + 8 > 0, is ______.
Concept: undefined >> undefined
The differential equation whose solution is (x – h)2 + (y – k)2 = a2 is (where a is a constant) ______.
Concept: undefined >> undefined
Eccentricity of ellipse `x^2/a^2 + y^2/b^2` = 1, if it passes through point (9, 5) and (12, 4) is ______.
Concept: undefined >> undefined
Equation of the ellipse whose axes are along the coordinate axes, vertices are (± 5, 0) and foci at (± 4, 0) is ______.
Concept: undefined >> undefined
If (2, 3, 9), (5, 2, 1), (1, λ, 8) and (λ, 2, 3) are coplanar, then the product of all possible values of λ is ______.
Concept: undefined >> undefined
The constraints –x1 + x2 ≤ 1, –x1 + 3x2 ≤ 9, x1x2 ≥ 0 define on ______.
Concept: undefined >> undefined
Bag I contains 3 red, 4 black and 3 white balls and Bag II contains 2 red, 5 black and 2 white balls. One ball is transferred from Bag I to Bag II and then a ball is draw from Bag II. The ball so drawn is found to be black in colour. Then the probability, that the transferred ball is red, is ______.
Concept: undefined >> undefined
Evaluate: `int_0^π 1/(5 + 4 cos x)dx`
Concept: undefined >> undefined
What is `int_0^(π/2)` sin 2x ℓ n (cot x) dx equal to ?
Concept: undefined >> undefined
For a biased dice, the probability for the different faces to turn up are
| Face | 1 | 2 | 3 | 4 | 5 | 6 |
| P | 0.10 | 0.32 | 0.21 | 0.15 | 0.05 | 0.17 |
The dice is tossed and it is told that either the face 1 or face 2 has shown up, then the probability that it is face 1, is ______.
Concept: undefined >> undefined
If `π/2` < x < π, then `intxsqrt((1 + cos2x)/2)dx` = ______.
Concept: undefined >> undefined
With the usual notation `int_1^2 ([x^2] - [x]^2)dx` is equal to ______.
Concept: undefined >> undefined
