MCQ
If  (0, 0),(a, 0)  and  (0, b)  are collinear, then:
  • A
    ab = 0
  • B
    a = b
  • C
    a = −b
  • D
    a - b = c

Answer

  1. ab = 0

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

If $f$ is a real-valued differentiable function satisfying $|f(x)-f(y)| \leq(x-y)^2, x, y \in R$ and $f(0)=0$, then $f(1)$ equals
Let $A=\{(x, y): 2 x+3 y=23, x, y \in N\}$ and $B=\{x:(x, y) \in A\}$. Then the number of one-one functions from $\mathrm{A}$ to $\mathrm{B}$ is equal to ................
The area of the region $S=\left\{(x, y): y^{2} \leq 8 x, y \geq \sqrt{2} x, x \geq 1\right\}$ is
$\int_{}^{} {\left[ {\frac{1}{{\log x}} - \frac{1}{{{{(\log x)}^2}}}} \right]dx = } $
A random variable has the following probability distribution:

X = xi 0 1 2 3 4 5 6 7
P(X = Xi) 0 2p 2p 3p p2 2p2 7p2 2p
  1. $\frac{1}{10}$

  2. $-1$

  3. $-\frac{1}{10}$

  4. $\frac{1}{5}$

If $\tan (x + y) = 33$ and $x = {\tan ^{ - 1}}3,$ then $y $ will be
Area bounded by the lines $y = x,\,\,x = - 1,\,\,x = 2$ and $x - $ axis is
Let $R=\left\{\left(\begin{array}{lll}\mathrm{a} & 3 & \mathrm{~b} \\ \mathrm{c} & 2 & \mathrm{~d} \\ 0 & 5 & 0\end{array}\right): \mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d} \in\{0,3,5,7,11,13,17,19\}\right\}$. Then the number of invertible matrices in $\mathrm{R}$ is
A function f from the set of natural numbers to the set of integers defined by $\text{f(n)}\begin{cases}\frac{\text{n}-1}{2},&\text{when n is odd}\\-\frac{\text{n}}{2},&\text{when n is even}\end{cases}$ is:
  1. Neither one-one nor onto.
  2. One-one but not onto.
  3. Onto but not one-one.
  4. One-one and onto.
Let $\int_\alpha^{\log _e^4} \frac{\mathrm{dx}}{\sqrt{\mathrm{e}^{\mathrm{x}}-1}}=\frac{\pi}{6}$. Then $\mathrm{e}^\alpha$ and $\mathrm{e}^{-\alpha}$ are the roots of the equation :