Subtract 6sqrt7 from 9sqrt7 .Is the answ...

Subtract `6sqrt7` from `9sqrt7` .Is the answer rational or irrational ?

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SURA PUBLICATION-REAL NUMBERS -ADDITIONAL QUESTIONS AND ANSWERS

Express the following surds in its simplest form root4(324)
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Simplify sqrt(63)-sqrt(175)+sqrt(28)
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Arrange in ascending order : root3(2),root2(4),root4(3)
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Subtract 6sqrt7 from 9sqrt7 .Is the answer rational or irrational ?
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Simplify : sqrt44+sqrt99-sqrt275
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Compute and give the answer in the simplest form : 3sqrt162xx7sqrt50xx...
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Write the scientific notation (60000000)^4
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Write the scientific notation : (0.00000004)^3
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Write the scientific notation : (500000)^2xx(3000)^3
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Write the scientific notation : (6000000)^3 div (0.00003)^2
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A number having non-terminating and recurring decimal expansion is
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If a number has a non-terminating and non-recurring decimal expansion ...
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Decimal form of (-3)/4 is
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Which one of the following has a terminating decimal expansion ?
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Which one of the following is an irrational number ?
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Which one of the following are irrational numbers ? (i)sqrt(2+sqrt3)...
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Which of the following is not an irrational number ?
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In simple form , root3(54) is ?
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root3(192)+root3(24)
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5sqrt21xx6sqrt10
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