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Prove that √7+6√5 is irrational..
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let it be rational
/7 + 6 + /5 = a/b
/5 = a/b -/7 - 6
here a, b, -6 are integer it mean the no. is rational
but it is contradiction because /5 is irrational
hence proved.....
/5= root 5, /7 = root 7
......u cam also probe /7 as irrational
....any problem in understanding then ask in comment
/7 + 6 + /5 = a/b
/5 = a/b -/7 - 6
here a, b, -6 are integer it mean the no. is rational
but it is contradiction because /5 is irrational
hence proved.....
/5= root 5, /7 = root 7
......u cam also probe /7 as irrational
....any problem in understanding then ask in comment
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