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RD SHARMA-EXPONENTS OF REAL NUMBER-All Questions
- if 9^(x+2)=240+9^x , then x= 0. 5 (b) 0.2 (c) 0.4 (d) 0.1
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- The seventh root of x divided by the eight root of x is x (b) sqrt(...
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- The square root of 64 divided by the cube root of 64 is 64 (b) 2 (...
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- Which of the following is (are) not equal to {(5/6)^(1/5)}^(-1/6)\ ? ...
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- When simplified (x^(-1)+y^(-1))^(-1) is equal to (a)\ x y (b) x+y ...
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- If 8^(x+1)=64 , what is the value of 3^(2x+1) ? 1 (b) 3 (c) 9 (d) ...
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- If 0ltyltx , which statement must be true? sqrt(x)-\ sqrt(y)=\ sqrt(x-...
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- If x is a positive real number and x^2=2, then x^3= sqrt(2) (b) 2s...
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- If (2^3)^2=4^x ,\ then 3^x= 3 (b) 6 (c) 9 (d) 27
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- If 10^x=64 , what is the value of 10^(x/2+1) ? (a) 18 (b) 42 (c) 8...
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- If x/(x^(1. 5)\ )=8x^(-1) and x >0, then x= (sqrt(2))/4 (b) 2sqrt(...
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- If g=t^(2/3)+\ 4t^(-1/2) , what is the value of g when t=64 ?
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- If x^(-2)=64 , then x^(1/3)+\ x^0= (a) 2 (b) 3 (c) 3/2 (d) 2/3
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- If 4^x-\ 4^(x-1)=24 , then (2x)^x equals 5sqrt(5) (b) sqrt(5) (c...
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- When simplified (-1/(27))^(-2/3) is 9 (b) -9 (c) 1/9 (d) -1/9
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- Which one of the following is not equal to root(3)(8)^(-1/2)\ ? (a)r...
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- Which one of the following is not equal to ((100)/9)^(-3/2) ? (a)\ (9/...
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- When simplified (256)^-(4^((-3//2)\ )) is 8 (b) 1/8 (c) 2 (d) 1...
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- (5^(n+2) −6 xx 5^(n+1))/(3 xx 5^n − 2xx 5^(n+1)) is equal to ...
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- If a ,\ b ,\ c are positive real numbers, then sqrt(a^(-1)b)\ xx\ sqrt...
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