Question

Find the value of: x2 – 1/5 at x= -1.


guys pls tell the answer​

Answer 1

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 2

Answer:

x²-1/5

(-1)²-1/5

1-1/5

4/5 ......