Consider the following expression:z = sin (y + it) + cos (y - it)where z, y, and t are variables, and i = √-1 is a complex number. The partial differential equation derived from the above expression is

Question

Consider the following expression:z = sin (y + it) + cos (y - it)where z, y, and t are variables, and i = √-1 is a complex number. The partial differential equation derived from the above expression is

Examsnet · Accepted Answer

Correct Answer is : ‌∂2z∂t2+‌∂2z∂y2=0

GATE Civil Engineering (CE) 2022 Shift 1 Solved Paper