MCQ
Which of the following is equal to 1 ?
- A$15^2+15^{-2}$
- B$15^2-15^{-2}$
- ✓$15^2 \times 15^{-2}$
- D$\frac{15^2}{15^{-2}}$
✓
Answer
Correct option: C.
$15^2 \times 15^{-2}$
C
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
Only by inspecting the prime factors of the denominators, state which of the following fractions will be a recurring decimal?
Mid value for the class intervals 19.5 - 29.5 is :
The area of the triangle whose three sides are 13 cm, 14 cm and 15 cm, is :
The value of $\sin ^2 25^{\circ}+\sin ^2 65^{\circ}=$
→In $\triangle ABC , E$ is the mid-point of the median $AD . BE$ is joined and produced to meet AC at F . Then, $AF =$ ______ AC.
→If $l+m \quad n=9$ and $l^2+m^2+n^2=31$, then the value of $m n+n l-l m$ is :
→→
The length of the base and the area of an isosceles triangle are respectively 8 cm and $12 cm^2$. The length of each equal side is :
→The compound interest on ₹8,640 for 3 years at 8% p.a. is:
The length of a diagonal of a square is 8 cm. The area of the square is: