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Write the value of root(3)(125)\ xx\ roo...

Write the value of `root(3)(125)\ xx\ root(3)(27)`

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`root(3)(125)xxroot(3)(27)`
`=(125)^(1/3)xx(27)^(1/3)`
`=5^(3xx1/3)xx3^(3xx1/3)`
`=5xx3`
`=15`
`therefore` The value of `root(3)(125)xxroot(3)(27)=15`
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  2. Write (1/9)^(-1/2)\ xx\ (64)^(-1/3) as a rational number.

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  3. Write the value of root(3)(125)\ xx\ root(3)(27)

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  4. The value of {2-3(2-3)^3}^3 is 5 (b) 125 (c) 1/5 (d) -125

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

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  15. If 0ltyltx , which statement must be true? sqrt(x)-\ sqrt(y)=\ sqrt(x-...

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

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  18. If 10^x=64 , what is the value of 10^(x/2+1) ? (a) 18 (b) 42 (c) 8...

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

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

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