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Chapter 2:- Polynomials CBSE maths Class 9th Exercise 2.1 Question 2:-Write the coefficients of x^2 in each of the following: (iii) (π*x<sup>2</sup>) /2 +x (iv) ...Read more

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

In a class test, the sum of Arun’s marks in Hindi and English is 30. Had he got 2 marks more in Hindi and 3 marks less in English, the product of the marks would have been 210. Find his marks in the two subjects.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 30

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

How many terms of the Arithmetic Progression 45, 39, 33, … must be taken so that their sum is 180 ? Explain the double answer.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 29 (b)

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

Which term of the Arithmetic Progression –7, –12, –17, –22, … will be –82 ? Is –100 any term of the A.P. ? Give reason for your answer.

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 29 ...Read more

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

Prove that : { ( sin° / (cot° + cosec° ) ) } = 2 + { ( sin° / ( cot° – cosec° ) ) }

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 28(b)

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Deepak BoraNewbie

Asked: July 26, 2020In: CBSE

Prove that :

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CBSE 10th Class past year question paper Year 2019 SET 1, Code Number- 30/2/1 Question number – 28(a)

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