recategorized by

Please log in or register to answer this question.

Answer:

Related questions

–1 –1 vote
0 0 answers
admin asked May 21, 2023
If $7^{3 x}=216$, the value of $7^{-x}$ (rounded off to three decimal places) is _____________.
0 0 votes
1 1 answer
admin asked May 21, 2023
To construct a wall, sand and cement are mixed in the ratio of $3: 1$. The cost of sand and that of cement are in the ratio of $1: 2$.If the total cost of sand and cement...
0 0 votes
0 0 answers
Milicevic3306 asked Mar 26, 2018
The binary operation $\square$ is defined as $a \square b = ab+(a+b)$, where $a$ and $b$ are any two real numbers. The value of the identity element of this operation, de...
0 0 votes
0 0 answers
gatecse asked Feb 20, 2018
If $x^2 + x – 1 = 0$ what is the value of $x^4 + \dfrac{1}{x^4}$?$1$$5$$7$$9$
1 1 vote
1 1 answer
admin asked May 21, 2023
In the given figure, $\mathrm{PQRS}$ is a parallelogram with $\mathrm{PS}=7 \mathrm{~cm}, \mathrm{PT}=4 \mathrm{~cm}$ and $P V=5 \mathrm{~cm}$. What is the length of $\te...