The graph of polynomial f(x) = cut x-axis at (-1,0), (1,0) and y axis at (0,2). then the sum of its roots is? This question was asked in exam of VMC. My answer was 0(zero). Am i ri8 plzz explain....!
ankitkumar0102
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December 2022
What is importance of 'gram atom' if there is already the concept of mole is available?
ankitkumar0102
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December 2022
Which is the easy method to solve the polynomial equation of degree 4 i.e., bi-quadratic? Please explain it... Very urgent....!
ankitkumar0102
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December 2022
All the three sides of a triangle ABC have lengths in integral units, with AB = 2001 units and BC = 1002 units. The possible number of triangles with this condition is? a)2001 b)2002 c)2003 d)2004 PLEASE EXPLAIN....!
ankitkumar0102
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December 2022
If a,b are the roots of and c, d are the roots of , then the value of (a-c)(b-c)(a+d)(b+d) is? 1) 1) 1) 4)None of these Please show the process....!
IF a+b=90 degree AND b+c=a THEN WHAT IS THE VALUE OF tan a
ankitkumar0102
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December 2022
The 288th term of the series a, b, b, c, c, c, d, d, d, d, e, e, e, e, e, f, f, f, f, f, f, . . . is:
ankitkumar0102
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December 2022
Let be a finite arithmetic progression and k be a natural number. and . Find (the sum of the first 2k-1 elements of the progression).
ankitkumar0102
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December 2022
The circle is inscribed in the isosceles trapezium ABCD in which AB is parallel DC. If AB = 10 and DC = 30 cm. Find the area of the circle.
ankitkumar0102
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December 2022
ABCD is a trapezium in which AB is parallel to CD. The diagonals AC and BD intersects at O. If OA = 6 CM and OC = 8cm Then find the ratio of area of triangle AOD and area of triangle COD. This question is from triangle similarity...
ankitkumar0102
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December 2022
ABCD is a trapezium in which AB is parallel to CD. The diagonals AC and BD intersects at O. If OA = 6 CM and OC = 8cm Then find the ratio of area of triangle AOD and area of triangle COD. This question is from triangle similarity...
ankitkumar0102
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December 2022
Electrostatics numerical question................................Two charges q1 and q2 are separated by a distance 'R' metre, then the force between them is decreased by 25%. Find new force in terms of f?
ankitkumar0102
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December 2022
Unit of mu in physics? What is the unit of mu in B=((mu)I)/(2(pi)r) I- current r- distance to feild point B- Magnitude of the Magnetic Feild a certain point 2pi- Constant mu is permeability of free space and its equal to (4pi)(10^-7) but i cant...
Why Electromagnetic Induction produces sound?
ankitkumar0102
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December 2022
Why cu reacts with HNO3?Why Copper react with HNO3 or nitric acid even if copper is below hydrogen in reactivity series?So copper should not react with nitric acid and sulphuric acid too as it wont be able to displace hydrogen from it But copper does react with nitric acid...
ankitkumar0102
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December 2022
Why the resistivity decrease as the temperature increase in semiconductor and vise versa in metals?
ankitkumar0102
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December 2022
why did the cotton industry became the chief and main industry in England?
ankitkumar0102
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December 2022
Reaction of sodium with nitric acid.In S.Chand book of class 10. It is written that when metal reacts with dilute nitric acid, then hydrogen gas is not evolved. As soon as hydrogen gas is formed in the reaction, the nitric acid oxidises this hydrogen to water.So please give the chemical...
ankitkumar0102
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December 2022
Why did people not like machine made goods?(from class 10, age of industrialisation, history)
ankitkumar0102
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December 2022
Zinc Hydroxide is amphoteric in nature. That means, it will show both basic as well as acidic nature. So what will be the change in colour of red and blue litmus? And which ion does it contain -- OH- or H+ ?
ankitkumar0102
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December 2022
In triangle ABC, AD is a median and E is the midpoint of AD. If BE is produced to meet AC in F, show that AF = 1/3 AC.
Which is more stable : ionic compound or covalent compound?
ankitkumar0102
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December 2022
Why and how shifting cultivation damages the environment or ecology?