Find the value of: x2 – 1/5 at x= -1.
guys pls tell the answer
Answers
Answer:
Time Allowed: 3 Hours Maximum Marks: 80
General Instructions:
1. This question paper contains two parts A and B.
2. Both Part A and Part B have internal choices.
Part – A:
1. It consists three sections- I and II.
2. Section I has 16 questions of 1 mark each. Internal choice is provided in 5 questions.
3. Section II has 4 questions on case study. Each case study has 5 case-based sub-parts. An
examinee is to attempt any 4 out of 5 sub-parts.
Part – B:
1. Question No 21 to 26 are Very short answer Type questions of 2 mark each,
2. Question No 27 to 33 are Short Answer Type questions of 3 marks each
3. Question No 34 to 36 are Long Answer Type questions of 5 marks each.
4. Internal choice is provided in 2 questions of 2 marks, 2 questions of 3 marks and 1 question of 5
marks.
Question
No.
Part-A Marks
allocated
Section-I
Section I has 16 questions of 1 mark each. Internal choice is provided
in 5 questions.
1 If xy=180 and HCF(x,y)=3, then find the LCM(x,y).
OR
The decimal representation of
14587
2
1 × 5
4
will terminate after how many decimal
places?
1
2 If the sum of the zeroes of the quadratic polynomial 3x2
-kx+6 is 3, then find
the value of k.
Answer:
x²-1/5
(-1)²-1/5
1-1/5
4/5 ......