Then, LHS can be equal to zero only when x = 0 , y = 0 and z = 0 because square of any number is always positive.
Questions Asked from this Chapter:
Question Type 1: Based on Basic Algrebraic Calculations
Question Type 2: Based on Quadratic Equation
Question Type 3: Based on Polynomial and Algrebraic Identity
Question Type 4: Based on Graphs of Linear Equations
Question Type 5: Based on Ratio