Q 8 If 2=1 4142, then 2-12+1 is equal to - Maths - Number Systems

Question

Q 8 If 2 = 1 4142 , then 2 - 1 2 + 1 is equal to

Shruti Tyagi · Accepted Answer

Dear student,

We have,2-12+1=2-12+1×2-12-1=2-1222-12                   --[using a2-b2=(a+b)(a-b)]=2-12-1=2-11=1
4142-1                       --[using 2=1
4142]=0 4142

Regards

Q.8. If 2 = 1 . 4142 , then 2 - 1 2 + 1 is equal to

Q.8. If $\sqrt{2} = 1.4142$ , then $\sqrt{\frac{\sqrt{2} - 1}{\sqrt{2} + 1}}$ is equal to