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Earn +20 ptsQ: What is sqrt 2 plus sqrt 2?
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What is sqrt 2 plus sqrt 7?
Rounded to five decimal places, sqrt(2) + sqrt(7) = 4.05996.
What is the square root of 98 plus the square root of 2?
Expressed as a surd, sqrt(98) + sqrt(2) = 8 sqrt(2).
What is 2 x the square root of 12 plus the square root of 27?
2*sqrt(12) + sqrt(27) = 2*sqrt(4*3) +sqrt(9*3) = 2*sqrt(4)*sqrt(3) + sqrt(9)*sqrt(3) = 2*2*sqrt(3) + 3*sqrt(3) = 4*sqrt(3) + 3*sqrt(3) = 7*sqrt(3)
What is the multiplicative inverse of 5 plus 3 square root of 2?
1/[5 + 3*sqrt(2)] = [5 - 3*sqrt(2)]/{[5 + 3*sqrt(2)][5 - 3*sqrt(2)]} = [5 + 3*sqrt(2)]/[25 - 18] = [5 - 3*sqrt(2)]/7
What is an absolute value of 2 plus i?
+sqrt(5)
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