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MODERN PUBLICATION-NUMBER SYSTEMS-EXERCISE
- If (9^n xx3^2xx(3^(n))-27^n)/(3^(3m)xx2^3)=1/27, prove that m-n=1.
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- Find a rational number between -2/3 and 1/4
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- Express 7/8 in decimal form.
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- Express 0.bar4 in the form p/q.
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- Explain, how irrational number differ from rational number.
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- Give an example of two irrational numbers whose difference is a ration...
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- Simplify (x^(-2/3)y^(-1/2))^2
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- Simplify: (x^-4/y^-10)^(5/4)
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- If 27^x=9/3^x, find x.
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- Find the value of x in the following 2^(x-7)xx5^(x-4)=1250
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- Write the value of (4+sqrt3)(4-sqrt3)
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- If x=sqrt3-1, what is the value of 1/x
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- If x=3+2sqrt2 find the value of sqrtx-1/sqrtx
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- Simplify: 1/(27)^(-1/3)+1/(625)^(-1/4)
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- Rationalise: (5sqrt3-4sqrt2)/(4sqrt3+3sqrt2)
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- Write the difference of an irrational and a rational number.
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- Find the value of (1^3+2^3+3^3)^(-3/2)
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- If (5^2)^7=125^x, find x.
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- Show that 0.142857142857 =1/7
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- Rationalise: (3+sqrt2)/(4sqrt2)
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