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deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) 1/ (1 + cos A) + 1/ (1 – cos A) = 2 cosec2 A (ii) 1/(sec A + tan A) + 1/(sec A – tan A) = 2 sec A

This question has been taken form the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 We have to ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) If the product of two positive consecutive even integers is 288, find the integers. (ii) If the product of two consecutive even integers is 224, find the integers. (iii) Find two consecutive even natural numbers such that the sum of their squares is 340. (iv) Find two consecutive odd integers such that the sum of their squares is 394.

Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise 5.5 This is an important ques ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

(i) Rs. 480 is divided equally among ‘x’ children. If the number of children was 20 more then each would have got Rs. 12 less. Find ‘x’. (ii) Rs. 6500 is divided equally among a certain number of persons. Had there been 15 more persons, each would have got Rs. 30 less. Find the original number of persons.

This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

deepaksoniGuru

Asked: March 18, 2021In: ICSE

Find the value of x in the following proportions: (i) 10: 35 = x: 42 (ii) 3: x = 24: 2 (iii) 2.5: 1.5 = x: 3 (iv) x: 50 :: 3: 2

A basic question from ML aggarwal book of class 10th chapter 7 ratio and proportion, exercise 7.2 In this ques we ...Read more

deepaksoniGuru

Asked: March 19, 2021In: ICSE

If x=root(a+x) +root(a−1) /root(a+1) −root(a−1) , using properties of proportion , show that x² – 2ax + 1 = 0

exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publicatio This question has been ...Read more

deepaksoniGuru

Asked: May 1, 2021In: CBSE

Question 1: For the following arithmetic progressions write the first term a and the common difference d: (ii) 1/5 , 3/5 , 5/5 , 7/5

This is arithmetic progression based question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise – 9.2 We have been given ...Read more

deepaksoniGuru

Asked: May 27, 2021In: CBSE

Problem 6: Find out which of the following sequences are arithmetic progressions. For those which are arithmetic progressions, find out the common difference(viii) -225, -425, -625, ………………

This is arithmetic progression based question from Chapter name- Arithmetic Progression Chapter number- 9 Exercise – 9.3 In this question ...Read more

1 … 139 140 141 … 360

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(i) 1/ (1 + cos A) + 1/ (1 – cos A) = 2 cosec2 A (ii) 1/(sec A + tan A) + 1/(sec A – tan A) = 2 sec A

Find the value of x in the following proportions: (i) 10: 35 = x: 42 (ii) 3: x = 24: 2 (iii) 2.5: 1.5 = x: 3 (iv) x: 50 :: 3: 2

If x=root(a+x) +root(a−1) /root(a+1) −root(a−1) , using properties of proportion , show that x² – 2ax + 1 = 0

Question 1: For the following arithmetic progressions write the first term a and the common difference d: (ii) 1/5 , 3/5 , 5/5 , 7/5

Problem 6: Find out which of the following sequences are arithmetic progressions. For those which are arithmetic progressions, find out the common difference(viii) -225, -425, -625, ………………