Click here to read the complete problem statement.
How can I solve it? Help me.
a=?,b=?,c=? and d=?.
Can anyone tell me?
No need to find a, b, c and d individually
Bro, You don’t need to find any values for a,b,c,d. Just read the problem properly…
a^2+b^2=1, c^2+d^2=1 and ac+bd=0…
So this is very common that ab+cd will be same as ac+bd… ZERO