11 97*103 12 395*395-205*205/600 13 (x2+y2) if xy=15 x-y=6 14 (X2+Y2) if x+y=10 xy=15 15 (x2+y2) if xy=10 and (x+y)=6 - Maths - Algebraic Expressions and Identities

Question

11 97*103
12 395*395-205*205/600
13 (x2+y2) if xy=15 x-y=6
14 (X2+Y2) if x+y=10 xy=15
15 (x2+y2) if xy=10 and (x+y)=6

Pabita Mahato · Accepted Answer

11.97*103 12.395*395-205*205/600 13.(x2+y2) if xy=15 x-y=6 14.(X2+Y2) if x+y=10 xy=15 15.(x2+y2) if xy=10 and (x+y)=6