prove √5+3√7 is as irrational ........ACCORDING TO 10TH CLASS
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First,prove √5is irrational
And then sum of irrational and contrary is always irrational.
bharadwazicon5:
sorry it's wrong
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consider root5+3root7 is rarional
that means it will be in the form of p/q
root5+3root7=p/q
root5=p/q3root7
squarring on both sides
(root5)square=(p/q+3root7)square
5=p square/q square+
that means it will be in the form of p/q
root5+3root7=p/q
root5=p/q3root7
squarring on both sides
(root5)square=(p/q+3root7)square
5=p square/q square+
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