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Peove that 3-4 root 2 /7 is an irrational no. given that root 2 is an irrational number |
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Answer» Suppose aal − b =R is rational. Squaring this, a+b+2 AB =r 2 So, ab is irrational,if ab is irrational , this can not be hold .therefore ,if ab is irrational, so is a − b is rational Since,(7−4 2 ) 2 =49−32−56 2 =17−56 22is irrational ,so is 17−56 2and so is .(7−4 2 ) Step-by-step explanation: HOPE IT HELPS YOU PLEASE MARK ME AS BRAINLIEST |
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