Find the zero of the polynomials in the following case: p(x) = 2x + 5
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
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Find the zero of the polynomials in the following case: p(x) = 3x – 2
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Find the zero of the polynomials in the following case: p(x) = 3x
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Find the zero of the polynomials in the following case: p(x) = ax, a ≠ 0
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Find the zero of the polynomials in the following case: p(x) = cx + d, c ≠ 0, c, d are real numbers.
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Find the zero of the polynomials in the following case: p(x) = x – 5
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Find the zero of the polynomials in the following case: p(x) = x + 5
Answer: A polynomial is an algebraic expression in which the exponent on any variable is a whole number. Polynomial’s degree... View Article
Fruits detached from a tree fall down due to force of gravity. We know that a force arises due to the interaction between two objects. Name the objects interacting in this case.
Answer: Earth and fruits The objects interacting in this situation are fruits and the earth when they fall from a... View Article
Give examples which indicate that nylon fibres are very strong.
Answer: Synthetic fibres are manmade fibres that have been prepared with chemicals. They’re made up of small units that link... View Article
Give one example each of (i) a binomial of degree 35, and of (ii) a monomial of degree 100.
Answer: 0 A polynomial is defined as an expression that is composed of variables, constants and exponents, that are combined... View Article
Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: Area : 25a2 – 35a + 12
Answer: A Rectangle is a four sided-polygon, having all the internal angles equal to 90 degrees. The two sides at... View Article
Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given: Area : 35y2 + 13y – 12
Answer: A Rectangle is a four sided-polygon, having all the internal angles equal to 90 degrees. The two sides at... View Article
Given 15 cot A = 8, find sin A and sec A.
Answer: Let us assume a right-angled triangle ABC, right-angled at B Given 15 cot A = 8 So, Cot A... View Article
Given sec θ = 13/12 Calculate all other trigonometric ratios
Answer: We know that the Sec function is the reciprocal of the Cos function which is equal to the ratio... View Article
Herbs form the ___ layer in the forest.
Answer: Herbs form the lowest layer in the forest. What are herbs? They’re small plants with a tender green stem.... View Article
How is the phenomenon of reflection used in making a kaleidoscope? What are the applications of a kaleidoscope?
Answer: A Kaleidoscope is an optical instrument with two or more reflecting surfaces. These reflecting surfaces are tilted at an... View Article
How is the sound produced and how is it transmitted and heard by us?
Answer: When the body vibrates due to any force, sound is produced. This vibration generates waves that pass through a... View Article
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
Answer: An infinite number of times a ray of light reflected by two plane mirrors placed parallel and facing each... View Article
How will you help your neighbours in case cyclone approaches your village/town?
Answer: Cyclone is defined as the mass of air that rotates around the centre of low pressure on a large... View Article
How would you show that setting of curd is a chemical change?
Answer: Chemical change – A substance is said to undergo a chemical change when the chemical properties of a substance... View Article
