Question

find the value of x and y when x+y=63 and 117+x+y=180​

Answer 1

Answer:

, X+Y= 18 & XY=72

X2+Y2= (X+Y)2-2XY

Or, (X+y)2-2xy= 182-2*72 (putting value)

Or, (X+Y)2-2XY= 324-(2*72)

Or, (X+Y)2-2XY= 324-144

Or, (X+Y)2-2XY= 180

Or, X2+Y2= 180 (Ans.)