If (5 3 )^ -5 (5 3 )^ 11 = (5 3 )^ 8 x , then x= ? - Vidyadip

MCQ

If $\left(\frac{5}{3}\right)^{-5} \times\left(\frac{5}{3}\right)^{11}=\left(\frac{5}{3}\right)^{8 x}$, then $x=$ ?

A
$-\frac{1}{2}$
B
$-\frac{3}{4}$
✓
$\frac{3}{4}$
D
$\frac{4}{3}$

✓

Answer

Correct option: C.

$\frac{3}{4}$

C

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

Explore more

More "M.C.Q. [1 Marks Each]" from Exponents→Exponents — all question types→MATHS STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

If $7x + 4 = 25$, then $x$ is equal to:

$2 \frac{1}{5}+1 \frac{1}{5}=?$

If the length of each side of a regular hexagon is x metres, then the perimeter of given hexagon is-

A farmer bought a buffalo for $Rs. 44000$ and a cow for $Rs. 18000$. He sold the buffalo at a loss of $5\%$ but made a profit of $10\%$ on the cow. The net result of the transaction is:

If ${\text{f (x)}} = \frac 53 {\text{x}}^2$ then $\text{f }\Big(\dfrac 35\Big)$ is:

What is the last digit in the expansion of $3^{4798}?$

Mark $(\checkmark)$ against the correct answer in the following: $0\div\frac{-7}{5}=?$

Circumference of a circle of diameter 6 cm is (use $\pi=22 / 7$ )

$\Big\{\Big(\frac{1}{3}\Big)^{-3}-\Big(\frac{1}{2}\Big)^{-3}+\Big(\frac{1}{4}\Big)^{-3}\Big\}$

Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: The marks of $20$ students in a test were as follows: $5, 6, 8, 9, 10, 11, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19, 20.$ The mean is $13.$
Reason: $\text{Mean} = \frac{\text{sum of marks}}{\text{number of students}} = \frac{260}{20} =13.$