Recently Active Mathematics Questions

*Image* ans is b,c post the solution also......... ...

The 99th term of the series 2+7+14+23+34+....... is a)9999 b)9998 c)10000 d)none ...

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For any acute angled \Delta ABC find the minimum value of \frac{sinA}{A}+\frac{sinB}{B}+\frac{sinC}{C} ...

A recurrence satisfies a_{n+1} = a_n + \sqrt{a_n+a_{n+1}} a1 =1 Obtain an explicit formula for an i.e. find a function f(n) such that an = f(n) edited: first term provided now, sry. ...

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*Image* ans is a,c ...

*Image* ans c Plz post the soln..... ...

*Image* ans b post the solution ...

\int_{0}^{100\pi }{} (sin x)(e^{(\mid cos x\mid + \mid sin x\mid )})(log \mid sin x\mid ) dx is equal to A) 100 B)2 C) 0 D)50 \pi ...

Number of soln.s of the equation \mid x^{2} - 1\mid = k^{2} + 4k + 1 is 4,then k may belong to A) (-4, - 3.8) B) (-4, - 3.7) C) [-3.9, - 3.8] D) (-4, - 2 - 3 ) ...

A letter is chosen at random from the word ' FAVOURABLE '. what is the probability that the chosen letter is a vowel ? ...

sorry deleted the integral ...

Number of solution(s) of the equation cos^{-1}(e^{x}) + sin^{-1}(kx^{2}-2)=\frac{\pi }{2},k>0, is A)0 B) 1 C) 2 D) infinite ...

let a 602 digit number 111100111100111100.........................11110013 find the remainder when it is divided by 13 ...

Q1. The image of the plane x-y+z+6=0 with respect to the plane mirror 4x-2y-6z+14=0 is ax+by+cz+6=0, then the value of cos-1a + cos-1b+ cos-1c is ...

If A>0 , B>0 and A+B=∩/3 , then the maximum value of tan A tan B is a) 1/6 b)1/3 c)1/2 d)1 ans b) .............solve it ...

\large \int_{0}^{\Pi /2}{\frac{dx}{9 + 16cos^{2}x}} ...

If f(x)=\frac{1-x}{1+x} , Then find f2010(x) = here f2010(x) = fofof................2010 times. ...

Consider the curve \mid y\mid = \mid x 2 - 4 \mid x\mid \mid A) Area bounded by curve is 128/3 sq.units. B) Area bounded by curve is 64/3 sq. units. C) Number of tangents drawn from (8,0) may be 4. D) Number of tangents drawn ...

(x-4x^3)/x+6≥0 ...

A and B are two independent witnesses (i.e there is no collusion between them) in a case.The probability that A,B speaks truths are x and y respectively.A and B agree in a certain statement.Find the probability that the state ...

The set of values possible of θ in [-Π,Π], such that 1-sin θ / 1+sin θ is equal to sec θ- tan θ is a)[0,Π/2] b)[0,Π/2)υ(Π/2,Π] c)[-Π,0] d)(-Π/2, Π/2) ans d ...

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If cos4θ.sec2α, 1/2 and sin4θ.cosec2α are in AP, then cosec8θsec6α , 1/2, sin8θ.cosec6α are in a)AP b)GP c)HP d)none ans a) ...

If a point P moves inside an equilateral triangle of side length 3 unit such that it is nearer to angle bisectors of the triangle than to any of its sides, then what is the area traced by P? ...

The image of the plane x-y+z+6=0 with respect to the plane mirror 4x-2y-6z+14=0 is ax+by+cz+6=0, then the value of cos-1a+cos-1b+cos-1c is equal to A)pi B)2 pi C)3 pi/2 D) 3 pi ...

plz solve A(z1) , B(z2) and C(z3) are 3 points lying on the curve |z|= 3 1. If z2z1+ z2z + z3=0 has one root of modulus unity. z1,z2,z3are in: a)AP b)Gp c)HP D)all of the above 2.If z2z1+ z2z + z3=0 and z2z2+ z3z + z1=0 each ...

Q1 If length of major axis intercepted between tangent and normal at a point (acosθ ,bsinθ ) on the ellipse x2/a2 +y2/b2=1 is equal to semi major axis,prove that eccentricity is (secθ (secθ -1))1/2 i am unable to reach th ...

1)find the nth term of the sequence *Image* such that *Image* 2)Find the nth term of the sequence *Image* such that *Image* 3)Find the nth term of the sequence *Image* such that *Image* then Calculate *Image* 4)Find the n th ...