Pankaj Kumar Porwal

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3:53

Leçon 3 Boîte à mots ( Pronuniciation ) ( Idées méthode de français Débutant Ver. 2 Babusha Verma )

Pankaj Kumar Porwal

3.3K views·2 years ago

4:07

Leçon 1 Alphabet ( Pronuniciation ) ( Idées méthode de français Débutant Ver. 2 Babusha Verma )

Pankaj Kumar Porwal

228 views·2 years ago

6:26

Ch Light MCQ, X Science term 1

Pankaj Kumar Porwal

604 views·4 years ago

9:05

X MCQ Science Ch 10 light

Pankaj Kumar Porwal

464 views·4 years ago

4:07

Class X Maths MCQ Trigonometry tricks(ex 8.4 question 5 i)

Pankaj Kumar Porwal

248 views·4 years ago

2:39

Class X Maths MCQ Trigonometry tricks(ex 8.4 question 4 iii)

Pankaj Kumar Porwal

170 views·4 years ago

2:13

Class X Maths MCQ Trigonometry tricks(ex 8.4 question 4 iv)

Pankaj Kumar Porwal

208 views·4 years ago

18:21

MCQ chapter 1 X Chemical Reactions and Equations

Pankaj Kumar Porwal

298 views·4 years ago

2:19

Ex 3.3 Q 12 Prove the followingsin 2 6x−sin 2 4x=sin2x,sin10x, Maths XI

Pankaj Kumar Porwal

27.2K views·4 years ago

3:26

Ex 3.3 Q 23 Maths XI , Prove that tan4x= tanx(1−tan 2 x)1−6tan 2 x+tan 4 x

Pankaj Kumar Porwal

907 views·4 years ago

1:15

Ex 3.3 Q 24 cos4𝑥=1−8sin 2 𝑥 cos 2 𝑥. Maths Class XI

Pankaj Kumar Porwal

1.2K views·4 years ago

5:39

Misc Ch9 Q18 XI If a and b are the roots of x 2 −3x+p=0 and c and d are roots of the equation x 2

Pankaj Kumar Porwal

2.3K views·4 years ago

4:49

Misc Ch9 Q19 XI The ratio of the A.M and G.M of two positive numbers a and b, is mn. Show that ab

Pankaj Kumar Porwal

2.0K views·4 years ago

5:21

Misc Ch9 XI Q16 If If a( 1b+1c),b( 1c+1a),c( 1a+1b)are in A.P., prove that a, b, c are in A.P.

Pankaj Kumar Porwal

534 views·4 years ago

5:10

Misc Ch9 Q17 XI If a, b, c, d are in G.P, prove that (a n +b n ),(b n +c n ),(c n +d n ) are in G.P.

Pankaj Kumar Porwal

2.0K views·4 years ago

3:59

Misc Ch9 Q11 XI A G.P. consists of an even number of terms. If the sum of all the terms is 5 times

Pankaj Kumar Porwal

1.0K views·4 years ago

5:04

Misc Ch 9 Q10 XI The sum of three numbers in G.P. is 56. If we subtract 1,7,21 from these numbers in

Pankaj Kumar Porwal

1.8K views·4 years ago

2:36

Misc Ex Ch9 XI Q9 The first term of a G.P. is 1. The sum of the third and fifth term is 90. Find the

Pankaj Kumar Porwal

1.0K views·4 years ago

3:01

Misc Ex Ch 9 XI Q7 If f is a function satisfying f(x+y)=f(x)f(y) for all x,y∈N such that f(1)=3 ,

Pankaj Kumar Porwal

910 views·4 years ago

1:49

Misc Ch 9 Q8 Maths XI The sum of some terms of a G.P. is 315,whose first term and the c ratio are 5

Pankaj Kumar Porwal

368 views·4 years ago

2:27

Ch 11 Q17 Class IX Calculate the work required to be done to stop a car of 1500kg moving at a veloc

Pankaj Kumar Porwal

14.5K views·5 years ago

2:06

Ch 11 Class IX Q 10 An object of mass 40kg is raised to a height of 5m above the ground what is i

Pankaj Kumar Porwal

3.1K views·5 years ago

2:08

Activity 11.16 Class IX Science Work and Energy

Pankaj Kumar Porwal

3.1K views·5 years ago

7:41

Activity 11.15 Class IX Science Work and Energy

Pankaj Kumar Porwal

39.8K views·5 years ago

3:08

Activity 11.3 Chapter 11 Class X Science CBSE Ncert

Pankaj Kumar Porwal

17.5K views·5 years ago

4:07

Activity 11.1 Class X Science CBSE NCERT

Pankaj Kumar Porwal

12.0K views·5 years ago

3:20

Activity 11.2 Class X Chapter 11 Science CBSE NCERT

Pankaj Kumar Porwal

5.2K views·5 years ago

4:34

Ex 6.5 Q14 Class X The perpendicular from A on side BC of a ΔABC intersect BC at D such that DB=3CD.

Pankaj Kumar Porwal

610 views·5 years ago

2:38

Ex 6.5 Q13 Class X D and E are points on the sides CA and CB respectively of a triangle ABC right

Pankaj Kumar Porwal

888 views·5 years ago

4:53

Ex 6.5 Q11 Class X An aeroplane leaves an airport and flies due north at a speed of 1000 km per hour

Pankaj Kumar Porwal

3.9K views·5 years ago

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Latest Videos

Leçon 3 Boîte à mots ( Pronuniciation ) ( Idées méthode de français Débutant Ver. 2 Babusha Verma )

Leçon 1 Alphabet ( Pronuniciation ) ( Idées méthode de français Débutant Ver. 2 Babusha Verma )

Ch Light MCQ, X Science term 1

X MCQ Science Ch 10 light

Class X Maths MCQ Trigonometry tricks(ex 8.4 question 5 i)

Class X Maths MCQ Trigonometry tricks(ex 8.4 question 4 iii)

Class X Maths MCQ Trigonometry tricks(ex 8.4 question 4 iv)

MCQ chapter 1 X Chemical Reactions and Equations

Ex 3.3 Q 12 Prove the followingsin 2 6x−sin 2 4x=sin2x,sin10x, Maths XI

Ex 3.3 Q 23 Maths XI , Prove that tan4x= tanx(1−tan 2 x)​1−6tan 2 ​x+tan 4 ​x

Ex 3.3 Q 24 cos4𝑥=1−8sin 2 𝑥 cos 2 𝑥. Maths Class XI

Misc Ch9 Q18 XI If a and b are the roots of x 2​ −3x+p=0 and c and d are roots of the equation x 2​

Misc Ch9 Q19 XI The ratio of the A.M and G.M of two positive numbers a and b, is mn. Show that ab

Misc Ch9 XI Q16 If If a( 1b+1c),b( 1c+1a),c( 1a+1b)are in A.P., prove that a, b, c are in A.P.

Misc Ch9 Q17 XI If a, b, c, d are in G.P, prove that (a n +b n ),(b n +c n ),(c n +d n ) are in G.P.

Misc Ch9 Q11 XI A G.P. consists of an even number of terms. If the sum of all the terms is 5 times

Misc Ch 9 Q10 XI The sum of three numbers in G.P. is 56. If we subtract 1,7,21 from these numbers in

Misc Ex Ch9 XI Q9 The first term of a G.P. is 1. The sum of the third and fifth term is 90. Find the

Misc Ex Ch 9 XI Q7 If f is a function satisfying f(x+y)=f(x)f(y) for all x,y∈N such that f(1)=3 ,

Misc Ch 9 Q8 Maths XI The sum of some terms of a G.P. is 315,whose first term and the c ratio are 5

Ch 11 Q17 Class IX Calculate the work required to be done to stop a car of 1500kg moving at a veloc

Ch 11 Class IX Q 10 An object of mass 40kg is raised to a height of 5m above the ground what is i

Activity 11.16 Class IX Science Work and Energy

Activity 11.15 Class IX Science Work and Energy

Activity 11.3 Chapter 11 Class X Science CBSE Ncert

Activity 11.1 Class X Science CBSE NCERT

Activity 11.2 Class X Chapter 11 Science CBSE NCERT

Ex 6.5 Q14 Class X The perpendicular from A on side BC of a ΔABC intersect BC at D such that DB=3CD.

Ex 6.5 Q13 Class X D and E are points on the sides CA and CB respectively of a triangle ABC right

Ex 6.5 Q11 Class X An aeroplane leaves an airport and flies due north at a speed of 1000 km per hour

Ex 3.3 Q 23 Maths XI , Prove that tan4x= tanx(1−tan 2 x)1−6tan 2 x+tan 4 x

Misc Ch9 Q18 XI If a and b are the roots of x 2 −3x+p=0 and c and d are roots of the equation x 2