Question

x²-9y²-3xy এর উ উৎপাদকে বিশ্লেষণ করো​

Answer 1

Answer:

We have,

(x−3y−5z)(x

2

+9y

2

+25z

2

+3xy−15yz+5zx)

⇒(x

3

+9xy

2

+25xz

2

+3x

2

y−15xyz

+5zx

2

−3x

2

y−27y

3

−75yz

2

−9xy

2

+

45y

2

z−15xzy−5x

2

z−45y

2

z−125z

3

−15xyz+75yz

2

−25xz

2

)

⇒x

3

+xy

2

(9−9)+xz

2

(25−25)+x

2

y(3−3)−15xyz−15xzy−15xyz

+zx

2

(5−5)−27y

3

+yz

2

(−75+75)−125z

3

+y

2

z(45−45)