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The seventh root of x divided by the eig...

The seventh root of `x` divided by the eighth root of `x` is
(a)`x`
(b) `sqrt(x)`
(c) `x ^56`
(d) `x^ (1/(56))`

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RD SHARMA ENGLISH-EXPONENTS OF REAL NUMBER-All Questions
  1. The product of the square root of x with the cube root of x is (a) cub...

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  2. if 9^(x+2)=240+9^x , then x= (a)0. 5 (b) 0.2 (c) 0.4 (d) 0.1

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  3. The seventh root of x divided by the eighth root of x is (a)x (b) ...

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  4. The square root of 64 divided by the cube root of 64 is (a)64 (b...

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  5. Which of the following is (are) not equal to {(5/6)^(1/5)}^(-1/6)\ ? ...

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  6. When simplified (x^(-1)+y^(-1))^(-1) is equal to (a)\ x y (b) x+y...

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  7. If 8^(x+1)=64 , what is the value of 3^(2x+1) ? (a)1 (b) 3 (c) 9 ...

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  8. If 0 < y < x , which statement must be true? (a) sqrt(x)-\ sqrt(y)=\ ...

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  9. If x is a positive real number and x^2=2, then x^3= (a)sqrt(2) (...

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  10. If (2^3)^2=4^x ,\ then 3^x= (a)3 (b) 6 (c) 9 (d) 27

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  11. If 10^x=64 , what is the value of 10^(x/2+1) ? (a) 18 (b) 42 (c) ...

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  12. If x/(x^(1. 5)\ )=8x^(-1) and x >0, then x= (a)(sqrt(2))/4 (b) 2...

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  13. If g=t^(2/3)+\ 4t^(-1/2) , what is the value of g when t=64 ? ( a)...

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  14. If x^(-2)=64 , then x^(1/3)+\ x^0= (a) 2 (b) 3 (c) 3/2 (d) 2...

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  15. If 4^x-\ 4^(x-1)=24 , then (2x)^x equals (a)5sqrt(5) (b) sqrt(5) ...

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  16. When simplified (-1/(27))^(-2/3) is (a) 9 (b) -9 (c) 1/9 (...

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  17. Which one of the following is not equal to (root(3)8 )^(-1/2)\ ? ( a...

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  18. Which one of the following is not equal to ((100)/9)^(-3/2) ? (a)\ (9/...

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  19. When simplified (256)^-(4^((-3//2)\ )) is (a) 8 (b) 1/8 (c...

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  20. 5 n+2 −6 xx 5 n+1/13 xx 5 n − 2 *5 n+1 is equal to

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