Question

Please help! No need of explanations!​

Answer 1

1. Which of the following sentence is the statement?

Ans: a. Kathmandu is the capital of Nepal.

2. The conjugate of a complex number is
`\tt (1)/(i-1)`. Then the complex number is

Ans;
`\tt c. (-1)/(i-1)`

3. Which of the following condition for ax^2 + bx + c = 0 (a≠0) has imaginary roots?

Answer: d. b^2 < 4ac.

4. What is the value of sin inverse x+ cos inverse x?

Ans: d. π/2

5. The general solution of the trigonometric equation 2sinθ =1 is

Ans: a. nπ ± π/6

6. If ax^2+2hxy+by^2=0 are represented by y=m_1x and y = m_2 x then m1+m2 =

Ans: c. -2h/b

7. If the vectors 2i-3j +4k & 4i-6j+mk are collinear, the value of m is

Ans: a. 8

8. What is the probability of getting 5 Saturday in a January month?

Ans: c.3/7

9.
`\tt \lim_(x \to 0) (sinx)/(px)`=1/3 , then the value of p is

Ans: b. 3

10. Derivative of sinx with respect to cosx is

Ans: d. -cot x

11. The general formula of solving a non- linear equation of f(x) = 0 by Newton-Raphson method is

Ans: c.