Advertisements
Advertisements
प्रश्न
Simplify.
(x + y) (2x + y) + (x + 2y) (x − y)
योग
उत्तर
(x + y) (2x + y) + (x + 2y) (x − y)
= x (2x + y) + y (2x + y) + x (x − y) + 2y (x − y)
= 2x2 + xy + 2xy + y2 + x2 − xy + 2xy − 2y2
= (2x2 + x2) + (y2 − 2y2) + (xy + 2xy − xy + 2xy)
= 3x2 − y2 + 4xy
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Simplify.
(t + s2) (t2 − s)
Simplify.
(a + b) (c − d) + (a − b) (c + d) + 2 (ac + bd)
Simplify.
(x + y) (x2 − xy + y2)
Simplify.
(1.5x − 4y) (1.5x + 4y + 3) − 4.5x + 12y
Simplify.
(a + b + c) (a + b − c)
Write the following square of binomial as trinomial: (2m + 1)2
Write the following square of binomial as trinomial: (x2 − ay)2
Multiply the following:
a, a5, a6
Multiply the following:
`- 100/9 rs; 3/4 r^3s^2`
Multiply the following:
`(3/4x - 4/3 y), (2/3x + 3/2y)`
