Advertisements
Advertisements
प्रश्न
Find x, if
Advertisements
उत्तर
\[\left( \frac{5}{4} \right)^{- x} \div \left( \frac{5}{4} \right)^{- 4} = \left( \frac{5}{4} \right)^5\]
\[\left( \frac{5}{4} \right)^{- x+4} = \left( \frac{5}{4} \right)^5\]
-x + 4 = 5
-x = 1
x = -1
APPEARS IN
संबंधित प्रश्न
Simplify:
By what number should 5−1 be multiplied so that the product may be equal to (−7)−1?
Simplify:
Express the following rational numbers with a negative exponent:
Simplify:
By what number should \[\left( \frac{1}{2} \right)^{- 1}\] be multiplied so that the product may be equal to \[\left( \frac{- 4}{7} \right)^{- 1} ?\]
By what number should (−15)−1 be divided so that the quotient may be equal to (−5)−1?
Find x, if
\[\left( \frac{- 1}{2} \right)^{- 19} \times \left( \frac{- 1}{2} \right)^8 = \left( \frac{- 1}{2} \right)^{- 2x + 1}\]
Find x, if
Square of \[\left( \frac{- 2}{3} \right)\] is
