Question

Given that a=i-j/√2 show that |a|=1

Answer 1

Answer:

very easy

Step-by-step explanation:

Given,

a=(i-j)/√2 = (1/√2)i-(1/√2)j

Now,

|a| = √{(1/√2)²+(-1/√2)²} = √{1/2+1/2} = √1 = 1.