rationalis the denominations of 1÷root2+3
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please specify the question correctly
Step-by-step explanation:
if the question is 1/(root (2)+3)
then the answer is root (2)-3
cause we should muLtiply both numerator and denominator by root (2)-3...
In denominator we should use the formula
(a+b)×(a-b)=a^2-b^2
then denominator becomes 4-3 that equals to 1
and numerator becomes 1×(root (2)-3)
so answer is root (2)-3
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Answered by
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Answer:
Step-by-step explanation:
1/√2+3×√2-3
=√2-3/-1
=√-2+3
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