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Let `[x^y]` denotes the greatest integer of xr and |x| denotes the modulus of x. Then `lim_(x -> 0) (sum_(r = 1)^(100) [x^r])/(1 + |x|)`
Concept: undefined >> undefined
The equation of the tangent to the curve given by x = a sin3t, y = bcos3t at a point where t = `pi/2` is
Concept: undefined >> undefined
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If a = `(2sin theta)/(1 + costheta + sintheta)`, then `(1 + sintheta - costheta)/(1 + sintheta)` is
Concept: undefined >> undefined
If A = `[(cosx, sinx),(-sinx, cosx)]`, then A1 A–1 is
Concept: undefined >> undefined
If n is a positive integer, then `int_0^(2pi) (sin^(2n) x)/(sin^(2n) x + cos^(2n) x) dx` is equal to
Concept: undefined >> undefined
The point P(2, 4) is first reflected on the line y = x and then the image point Q is again reflected on the line y = – x to get the image point Q'. Then the circumcentre of the ΔPQO' is
Concept: undefined >> undefined
If |Z1| = |Z2| and arg (Z1) + arg (Z2) = 0, then
Concept: undefined >> undefined
Which of the following functions is inverse of itself?
Concept: undefined >> undefined
The number of solutions of sin–1x + sin–1(1 – x) = cos–1x is
Concept: undefined >> undefined
sin 6θ + sin 4θ + sin 2θ = 0, then θ =
Concept: undefined >> undefined
If `sqrt(2)` sec θ + tan θ = 1, then the general value of θ is
Concept: undefined >> undefined
The inverse of `f(x) = sqrt(3x^2 - 4x + 5)` is
Concept: undefined >> undefined
If `(-1)/sqrt(2) ≤ x ≤ 1/sqrt(2)` then `sin^-1 (2xsqrt(1 - x^2))` is equal to
Concept: undefined >> undefined
What is the value of `sin^-1(sin (3pi)/4)`?
Concept: undefined >> undefined
Domain and Rariges of cos–1 is:-
Concept: undefined >> undefined
What will be the principal value of `sin^-1(-1/2)`?
Concept: undefined >> undefined
What is the principal value of cosec–1(2).
Concept: undefined >> undefined
Find the principal value of `tan^-1 (sqrt(3))`
Concept: undefined >> undefined
Find the value, if sin–1x = y, then `->`:-
Concept: undefined >> undefined
Values of tan–1 – sec–1(–2) is equal to
Concept: undefined >> undefined
