Advertisements
Advertisements
प्रश्न
Find the sum of 3x + 4xy − y2, xy − 4x + 2y2 and 3y2 − xy + 6x.
Advertisements
उत्तर
(3x + 4xy − y2) + (xy − 4x + 2y2) + (3y2 − xy + 6x)
= 3x + 4xy − y2 + xy − 4x + 2y2 + 3y2 − xy + 6x
= 3x + 6x − 4x + 4xy + xy − xy + 2y2 + 3y2 − y2
= 9x − 4x + 5xy − xy + 5y2 − y2
= 5x + 4xy + 4y2
APPEARS IN
संबंधित प्रश्न
Subtract the first term from the second:
3.5abc, 10.5abc
Find the sum of a2 − ab + bc, 2ab + bc − 2a2 and − 3bc + 3a2 + ab.
Find the sum of 4x2 + 7 − 3x, 4x − x2 + 8 and − 10 + 5x − 2x2.
Add the following expression:
− x2 − 3xy + 3y2 + 8, 3x2 − 5y2 − 3 + 4xy and − 6xy + 2x2 − 2 + y2
Subtract:
5a − 3b + 2c from a − 4b − 2c.
The sum of two expressions is 5x2 – 3y2. If one of them is 3x2 + 4xy – y2, find the other.
The sum of two expressions is 3a2 + 2ab – b2. If one of them is 2a2 + 3b2, find the other.
Fill in the blanks:
4 × 7 = .............. and 4ax × 7x = ............
Fill in the blank:
3ab × 6ax = ..................
Fill in the blank:
5 × 5a3 = ................
