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deepaksoniGuru

Asked: June 30, 2021In: CBSE

Question 38. The sum of the first n terms of an A.P. is 3n2 + 6n. Find the nth term of this A.P.

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.6 In this question we ...Read more

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deepaksoniGuru

Asked: July 1, 2021In: CBSE

Question 57. If Sn denotes the sum of first n terms of an A.P., prove that S12 = 3(S8 – S4).

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This is the basic and conceptual question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise 9.6 In this question we ...Read more

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deepaksoniGuru

Asked: August 13, 2021In: CBSE

In a ΔABC, D and E are points on the sides AB and AC respectively such that DE || BC. If AD/DB = 3/4 and AC = 15 cm, Find AE.

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Question extracted from RD sharma of class 10th, Chapter no. 4 Chapter name:- Triangles Exercise :- 4.2 This is very ...Read more

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deepaksoniGuru

Asked: September 7, 2021In: CBSE

Check whether AD is the bisector of ∠A of ΔABC in each of the following. AB = 4 cm, AC = 6 cm, BD = 1.6 cm and CD = 2.4 cm

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Question extracted from RD sharma of class 10th, Chapter no. 4 Chapter name:- Triangles Exercise :- 4.3 This is very ...Read more

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AnilSinghBoraGuru

Asked: July 13, 2021In: NCERT Class 10th Maths

Prove that √5 is irrational. Q.1

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How i prove irrational number type question. Irrational topic is very important topic of class 10th. What is the easiest ...Read more

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AnilSinghBoraGuru

Asked: July 14, 2021In: NCERT Class 10th Maths

Solve 2x + 3y = 11 and 2x – 4y = – 24 and hence find the value of ‘m’ for which y = mx + 3. Q.2

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How i solve Solve 2x + 3y = 11 and 2x – 4y = – 24 and hence find the ...Read more

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AnilSinghBoraGuru

Asked: July 14, 2021In: NCERT Class 10th Maths

Formulate the following problems as a pair of equations, and hence find their solutions: (i) Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current. Q.2(1)

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How i go through with this problem i am stuck by solving this question. So please suggest me best way ...Read more

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Question 38. The sum of the first n terms of an A.P. is 3n2 + 6n. Find the nth term of this A.P.

Question 57. If Sn denotes the sum of first n terms of an A.P., prove that S12 = 3(S8 – S4).

In a ΔABC, D and E are points on the sides AB and AC respectively such that DE || BC. If AD/DB = 3/4 and AC = 15 cm, Find AE.

Check whether AD is the bisector of ∠A of ΔABC in each of the following. AB = 4 cm, AC = 6 cm, BD = 1.6 cm and CD = 2.4 cm

Prove that √5 is irrational. Q.1

Solve 2x + 3y = 11 and 2x – 4y = – 24 and hence find the value of ‘m’ for which y = mx + 3. Q.2

Formulate the following problems as a pair of equations, and hence find their solutions: (i) Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current. Q.2(1)