Advertisements
Advertisements
प्रश्न
Which of the following is equal to x?
पर्याय
`x^(12/7) - x^(5/7)`
`root(12)((x^4)^(1/3)`
`(sqrt(x^3))^(2/3)`
`x^(12/7) xx x^(7/12)`
उत्तर
`bb((sqrt(x^3))^(2/3))`
Explanation:
`(sqrt(x^3))^(2/3) = (x^(3/2))^(2/3)`
= `x^(3/2 xx 2/3)` ...`[∵ (a^m)^n = a^(mn)]`
= x
APPEARS IN
संबंधित प्रश्न
Solve the following equations for x:
`3^(2x+4)+1=2.3^(x+2)`
If 49392 = a4b2c3, find the values of a, b and c, where a, b and c are different positive primes.
Given `4725=3^a5^b7^c,` find
(i) the integral values of a, b and c
(ii) the value of `2^-a3^b7^c`
Show that:
`(a^(x+1)/a^(y+1))^(x+y)(a^(y+2)/a^(z+2))^(y+z)(a^(z+3)/a^(x+3))^(z+x)=1`
Find the value of x in the following:
`2^(5x)div2x=root5(2^20)`
Find the value of x in the following:
`(3/5)^x(5/3)^(2x)=125/27`
Find the value of x in the following:
`(sqrt(3/5))^(x+1)=125/27`
The value of \[\left\{ 8^{- 4/3} \div 2^{- 2} \right\}^{1/2}\] is
When simplified \[(256) {}^{- ( 4^{- 3/2} )}\] is
If (16)2x+3 =(64)x+3, then 42x-2 =
