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The number obtained on rationalizing the denominator of 1 / root7 - 2 is(root7+2)/3(root7-2)/3(root7+2)/5(root7+2)/45 |
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Answer» Answer: A is tes correct answer please add me as BRAINLIST please add me as brainlist please add me as brainlist Step-by-step explanation: We USE the identity (a+b)(a−b)=a2−b. Multiply and DIVIDE 7−21 by 7+2 to GET 7−21×7+27+2=7−47+2=37+2 |
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