Question

2x+3y=2
Cramers rule

Answer 1

Answer:

(2x+3y)power2 =(2x)power2+2(2x)(3y)+(3y)power 2

=4xpower 2+12xy+9ypower2

aliter : (2x+3y) power2=(2x+3y)(2x+3y)

=2×(2x+3y)+3y(2x+3y)

=(2x)(2x)+(2x)(3y)+(3y)(2x)+(3y)(3y)

=4xpower2 +6xy+6yx+9ypower 2[xy=yx]

(2x+3y)power2= 4xpower2+12xy+9ypower2