Subject: Maths, asked on 17/5/18

## Find a for which function (a+2)x^3-3ax^2+9ax-1 decreases for all real values of x

Subject: Maths, asked on 16/5/18

## Let fx=tan inverse gx gx is monitonicaly increasing for 0 to pi/2 then what is the interval for which fx is increasing?

Subject: Maths, asked on 8/5/18

## plz explain it to me how it is done

Subject: Maths, asked on 20/4/18

## (a.i)(ax i)+(a.j)(ax j) +(a.k)(ax k) is equal to

Subject: Maths, asked on 20/4/18

## Q.1. Prove that  that the length of the chord joining the points of contact of tangents drawn from the point

Subject: Maths, asked on 18/4/18

## Q56.solution pls. Q.56. A balloon is pumped at the rate of 4 $c{m}^{3}$ per second. What is the rate at which its surface area increases when its radius is 4 cm ? (A) 1 $c{m}^{2}$/sec (B) 2 $c{m}^{2}$/sec (C) 3 $c{m}^{2}$/sec (D) 4 $c{m}^{2}$/sec

Subject: Maths, asked on 27/3/18

## Q). If the vertex of the parabola $y=-{\left(x-a\right)}^{2}+b$ lies on the parabola $y={x}^{3}$ and one of the x-intercepts of the parabola is 8, then what is the value of a if a > 0? a) 1 b) 2 c) 4 d) 8

Subject: Maths, asked on 26/3/18

## Q. f(x) = -1+kx+k neither touches nor intersects f(x) = log x, then the $mi{n}^{m}$ value of k$\in$is

Subject: Maths, asked on 23/3/18

## Please provide answer for question no. 6 without providing any links and provide proper steps. Q.6. Obtain all other zeroes of the polynomial $4{x}^{4}+{x}^{3}-72{x}^{2}-18x$, if two of its zeroes are .

Subject: Maths, asked on 23/3/18

## Please help this question no. 5 without providing links and show the proper steps. Q.5. What must be subtracted from the polynomial so that the resulting polynomial is exactly divisible by .

Subject: Maths, asked on 20/3/18

## Q. Find the maximum and the minimum values h(x) = x+1, x$\in$  (-1,1)

Subject: Maths, asked on 20/3/18

## How to find such things? Like, it is negative or positive and all? :/ This pic is just a sample.. am unable to understand how we get (-)(-)(-) or (-)(+)(-) or (+)(+)(-) or (+)(+)(+) and all? :/ (P.S : Don't ask me to check study material coz am NEET member, so am unable to get access to maths)   Interval Sign of f'(x)=12x(x+1)(x-2) Nature of function $\left(-\infty ,-1\right)$ (-)(-)(-)=(-) or <0 Strictly decreasing (-1,0) (-)(+)(-)=(+) or >0 Strictly increasing (0,2) (+)(+)(-)=(-) or <0 Strictly decreasing (2,$\infty$) (-)(+)(+)=(+) or >0 Strictly increasing (a) The given function is strictly increasing in the intervals $\left(-1,0\right)\cup \left(2,\infty \right)$ (b) The given function is strictly decreasing in the intervals $\left(-\infty ,-1\right)\cup \left(0,2\right)$

Subject: Maths, asked on 20/3/18

## Plz fast....  Explain me this differentiation ?? fAST..: Q.

Subject: Maths, asked on 20/3/18

## Plz fast.... Explain me this differentiation ?? fAST..

Subject: Maths, asked on 19/3/18

## Will solving each and every question of last 10 years and re-practicing the weak point questions be enough to score 90+ in Maths Board Exam?

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