Advertisements
Advertisements
प्रश्न
Add the following expression:
− 17x2 − 2xy + 23y2, − 9y2 + 15x2 + 7xy and 13x2 + 3y2 − 4xy
Advertisements
उत्तर
(− 17x2 − 2xy + 23y2) + (− 9y2 + 15x2 + 7xy) + (13x2 + 3y2 − 4xy)
= − 17x2 − 2xy + 23y2 − 9y2 + 15x2 + 7xy + 13x2 + 3y2 − 4xy
= − 17x2 + 15x2 + 13x2 − 2xy − 4xy + 7xy + 23y2 + 3y2 − 9y2
= 11x2 + xy + 17y2
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.
Add the following expression:
− x2 − 3xy + 3y2 + 8, 3x2 − 5y2 − 3 + 4xy and − 6xy + 2x2 − 2 + y2
Evaluate:
3a − (a + 2b)
Evaluate:
(5x − 3y) − (x + y)
Evaluate:
(6y − 13) − (4 − 7y)
Subtract x – 2y – z from the sum of 3x – y + z and x + y – 3z.
Fill in the blanks:
4 × 7 = .............. and 4ax × 7x = ............
Fill in the blank:
x × 2x2 × 3x3 = .....................
Fill in the blank:
5 × 5a3 = ................
