Question
Express the following as a rational number:
$(-6)^{-1}$
$(-6)^{-1}$
✓
Answer
$(-6)^{-1}=\Big(\frac{1}{-6}\Big)^1$
$=\frac{1}{-6}=\frac{1\times(-1)}{-6\times(-1)}$
$=\frac{-1}{6}$
$=\frac{1}{-6}=\frac{1\times(-1)}{-6\times(-1)}$
$=\frac{-1}{6}$
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
Find : $0.7 \div 10$
→When a = 0 and b = -1 , find the value of the given expressions.
$2 a^2 b+2 a b^2+a b$
→$2 a^2 b+2 a b^2+a b$
In the following figures, the mirror line (i.e. the line of symmetry) is given as dotted line. Complete figure performing reflection in the dotted (mirror) line. Also, try to recall name of the complete figure.
Mark $(\checkmark)$ against the correct answer in the following:
The value of a machine depreciates $10\%$ annually. If its present value is $Rs. 25000$. What will be its value after one year?
→The value of a machine depreciates $10\%$ annually. If its present value is $Rs. 25000$. What will be its value after one year?
$3 x+23 x^2+6 y^2+2 x+y^2+$_________$=5 x+7 y^2$.
→Find
$21 \times(-32)$
→$21 \times(-32)$
Fill in the blank by the correct symbol out of >, =, or < :
$\frac{-3}{5} \ldots \cdot \frac{-5}{6}$
→$\frac{-3}{5} \ldots \cdot \frac{-5}{6}$
Divide:
8 by 100
8 by 100
Find:
0.6% of 45
0.6% of 45
Write the reciprocal of:
$(-5)^{6}$
→$(-5)^{6}$