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CBSE Class12 Mathematics
Guess Paper 2019
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CBSE Class 12 Guess Papers 2019
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CBSE Sample Papers for Class 12 2019
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CBSE Class 12 Mathematics
Unsolved Guess Paper 2019
TIME - 3HR.
| QUESTIONS - 29
THE MARKS ARE MENTIONED ON EACH QUESTION
General Instructions:
Maximum Marks: 100
1. All questions are compulsory
2. This question paper contain 29 questions.
3. Questions 1- 4 in Section A are very short – answer type questions carrying 1 mark each.
4. Questions 5 – 12 in Section B are short – answer type questions carrying 2 marks each.
5. Questions 13 – 23 in Section C are long – answer I type questions carrying 4 marks each.
6. Questions 24 – 29 in Section D are long – answer II type questions carrying 6 marks each.
SECTION – A
𝟏
𝟒
𝟐
] , 𝐭𝐡𝐞𝐧 𝐬𝐡𝐨𝐰 𝐭𝐡𝐚𝐭 |𝟐𝐀| = 𝟒|𝐀|
𝟐
Q.1.
If 𝐀 = [
Q.2.
Differentiate 𝐬𝐢𝐧𝟐 𝒙 𝐰. 𝐫. 𝐭. 𝒆𝐜𝐨𝐬 𝒙 .
Q.3.
Write the order of the differential equation
𝒅𝟐 𝒚
𝒅𝒚
𝟐𝒙
−𝟑
+𝒚=𝟎
𝟐
𝒅𝒙
𝒅𝒙
𝟐
Q.4.
Find the angle between the pair of lines:
𝒙+𝟑 𝒚−𝟏 𝒛+𝟑
=
=
𝟑
𝟓
𝟒
𝐚𝐧𝐝
𝒙+𝟏 𝒚−𝟒 𝒛−𝟓
=
=
𝟏
𝟏
𝟐
OR
Q.4.
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If a line has direction ratios 2, -1, -2, determine its direction cosines.
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