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Example 23 :Evaluate the following using suitable identities : (ii) (999)^3
15
Oct
Example 23 :Evaluate the following using suitable identities : (ii) (999)^3 Example 23 :Evaluate the following using suitable identities : (ii) (999)^3 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
A particle A of mass m and initial velocity v collides with a particle B of mass m/2 which is at rest. The collision is head on, and elastic. The ratio of the de-Broglie wavelength lemda A to lemda B after
15
Oct
A particle A of mass m and initial velocity v collides with a particle B of mass m/2 which is at rest. The collision is head on, and elastic. The ratio of the de-Broglie wavelength lemda A to lemda B after A particle A of mass m and initial velocity v collides with a particle [...]
Radiation of wavelength lemda, is incident on a photocell. The fastest emitted electron has speed v. If the wavelength is changed to 3 lemda / 4, the speed of the fastest emitted electron will be
15
Oct
Radiation of wavelength lemda, is incident on a photocell. The fastest emitted electron has speed v. If the wavelength is changed to 3 lemda / 4, the speed of the fastest emitted electron will be is incident on a photocell. The fastest emitted electron has speed v. If the wavelength is changed to 3 lemda [...]
Match List 1 ( Fundamental Experiment ) with List 2 (its conclusion) and select the correct option from the choices given below the list:
15
Oct
Match List 1 ( Fundamental Experiment ) with List 2 (its conclusion) and select the correct option from the choices given below the list: Match List 1 ( Fundamental Experiment ) with List 2 (its conclusion) and select the correct option from the choices given below the list: October 15, 2020 Category: Uncategorised (JEE Advanced [...]
Example 23 :Evaluate the following using suitable identities : (i) (104)^3
15
Oct
Example 23 :Evaluate the following using suitable identities : (i) (104)^3 Example 23 :Evaluate the following using suitable identities : (i) (104)^3 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 22 : Write the following cubes in the expanded form: (ii) (5p – 3q)^3
15
Oct
Example 22 : Write the following cubes in the expanded form: (ii) (5p – 3q)^3 Example 22 : Write the following cubes in the expanded form: (ii) (5p - 3q)^3 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 22 : Write the following cubes in the expanded form: (i) (3a + 4b)^3
15
Oct
Example 22 : Write the following cubes in the expanded form: (i) (3a + 4b)^3 Example 22 : Write the following cubes in the expanded form: (i) (3a + 4b)^3 October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 21 : Factorise 4x^2 + y^2 + z^2 – 4xy – 2yz + 4xz.
15
Oct
Example 21 : Factorise 4x^2 + y^2 + z^2 – 4xy – 2yz + 4xz. Example 21 : Factorise 4x^2 + y^2 + z^2 - 4xy - 2yz + 4xz. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 20 : Expand (4a – 2b – 3c)^2 .
15
Oct
Example 20 : Expand (4a – 2b – 3c)^2 . Example 20 : Expand (4a - 2b - 3c)^2 . October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,
Example 19 : Write (3a + 4b + 5c)^2 in expanded form.
15
Oct
Example 19 : Write (3a + 4b + 5c)^2 in expanded form. Example 19 : Write (3a + 4b + 5c)^2 in expanded form. October 15, 2020 Category: Chapter 2 - Polynomials , Maths , NCERT Class 9 ,