Question

Ex.1. If 5VE + 12V = 13Vx, then x is equal to (2) 4 (3) 9 (4) 16

11th - 12th Class

Maths

Solution

4.0 (1 ratings)

Sol. (2) ( 5^{sqrt{x}}+12^{sqrt{x}}=13^{sqrt{x}} ) We know that, ( 5^{2}+12^{2}=13^{2} ) ( therefore sqrt{x}=2 ) i.e., ( x=2^{2}=4 )