Question
If $a+\frac{1}{a}=-2$, then $a^2+\frac{1}{a^2}=$ _______________ .
✓
Answer
2
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If one pair of opposite sides are equal and parallel, then the figure is _____________. (parallelogram, rectangle, trapezium).
If two sides of a triangle are unequal, then the larger side has ___ angle opposite to it.
In $\triangle A B C, A B=B C$ and $\angle B=80^{\circ}$. Then, $\angle A$ = ____________ .
→If O is the circumcentre of AABC and D is the mid-point of the base BC, then $\angle B O D=$ __________.
→See Fig. and complete the statements: The abscissa and the ordinate of the point $B$ are ________ and ________, respectively.
→See Fig. and complete the statements: The x-coordinate and the y-coordinate of the point S are ________ and ________, respectively. Hence, the coordinates of S are (________, ________).
Point (-7, 0) lies on the _______________ direction of _______________ axis.
The sum of three altitudes of a triangle is ___ than its perimeter.
Fill in the blanks to make the following statements correct: The triangle formed by joining the mid-points of the sides of a right triangle is ____________.
If $x^0$ is the measure of an angle which is equal to its complement and $y^{\circ}$ is the measure of an angle which is equal to its supplement, then $\frac{x^{\circ}}{y^{\circ}}$ is equal to __________.
→