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y=tan-1[√1+x2 + √1-x2 /√1+x2 - √1-x2], then dy/dx=? ...

We have a polynomial of degree 3 (f(x) = x3+bx2+cx + d) such that f(1) = 1 , f(2) = 2, f(3) =3. let R = -(di + d/2j + d/3k) represents a vector in 3-D space, then find |R| ...

if A = i -3j + 4k , B = 6i + 4j - 8k , C=5i + 2j + 5k and a vector R satisfies RXB = CXB, R.A = 0 , then |B|/|R-C| is ...

Let a point R lies on the plane x - y + z = 3 and P be the point(1,1,1). A point Q lies on PR such that PQ2 + PR2 = k (constant), the the equation of LOCUS of Q is ...

The shortest distance between the edges AB and ED is equal to ...

A rectangle ABCD of dimensions r and 2r is folded along the giagnal BD such that the plane BCD stands upright on the diagnal BD. Let the position of the vertex A remains unchanged and E be the new position of C Answer the nex ...

which of the following possess the highest bond energy? ...

which of the following statements is correct:- ...

an inorganic compound (x)gives brick red flame on performing the flame test.it also gives da following tests:- -smell of chlorine when placed in moist air -if kI and CH3COOH are added to its suspension in H2O,a brown colour ( ...

Numbers 1,2,3,...100 are written down on each of the cards A,B & C. One number is selected at random from each of these cards. The probability that the numbers so selected can be the measures (in cm) of three sides of a right ...

Let n be a positive integer with f(n) = 1! + 2! + 3! +........n! and R(x) and Q(x) be polynomials in x such that f(n+2)= R(n)f(n+1) + Q(n)f(n) for all n≥1. Now let P(x) = - Q(x)/R(x) (for all x ≥ 1) denotes th ...

The number of ordered pairs of non-negative integers {a,b} having sum 7596 without any carries is equal to ...

oxidation state of Cr in chromium pentaoxide is ...

The strongest acid out of the list given below is(choose on the basis of first dissociation constant) ...

Aqueous solution of PH3 forms a ...

hybridisation of B(boron) atom in borax is ...

A curve passing through the point (1,1) has the property that the perpendicular distance of the origin from the normal at any point P of the curve is equal to the distance of p from the x-axis. Determine the equation of the c ...

sin(A+B) is..... ...

Sin[ 2cos-1{cot(2tan-1 x)} ]= 0...... solve for positive value of x... ...

In any Triangle ABC, if A = tan-12 and B = tan-13,wat is c??? ...

Which of the following does not show mutarotation? ...

2.Pdt of reaction--- CH3 C (CH3)2 Cl + NaO C (CH3)3+Δ→ ...

total symmetry(plane of symmetry + axis of symmetry) present in benzene molecules is? ...

cycloocatatetraene is ?? ...

1. Cl-CH2CH2CHCHCl + KCN→ (a) + H20(H+) →(b). What is (b) ? ...

Single Correct Answer: (5 marks) A lift starts to accelerate upwards with an acceleration g from speed 0 A ball is dropped by a man in the lift from a height 1 meter simultaneously. The ball collides elastically. What will be ...

Refer question 44! ...

Refer Q 44! ...

For the Questons 44,45 and 46. See this below and mark all relevant options. (All 3 quesitions are right here!) An elastic thread is attached to two masses on each side The maximas of the quantities in Table 1 will not depend ...

What is the maximum distance between the bee and the train at any time? ...