Advertisements
Advertisements
प्रश्न
Add the following expression:
a3 − 2b3 + a, b3 − 2a3 + b and − 2b + 2b3 − 5a + 4a3
Advertisements
उत्तर
(a3 − 2b3 + a) + (b3 − 2a3 + b) + (− 2b + 2b3 − 5a + 4a3)
= a3 − 2b3 + a + b3 − 2a3 + b − 2b + 2b3 − 5a + 4a3
= a3 + 4a3 − 2a3 − 2b3 + b3 + 2b3 + a − 5a + b − 2b
= 3a3 + b3 − 4a − b
APPEARS IN
संबंधित प्रश्न
Find the sum of 3a + 4b + 7c, − 5a + 3b − 6c and 4a − 2b − 4c.
Add the following expression:
− 17x2 − 2xy + 23y2, − 9y2 + 15x2 + 7xy and 13x2 + 3y2 − 4xy
Evaluate:
7 − (4a − 5)
Evaluate:
(6y − 13) − (4 − 7y)
Take `(-3)/2"p"+"q"-"r"` from `1/2"p"-1/3"q"-3/2"r".`
By how much should x + 2y – 3z be increased to get 3x?
Fill in the blanks:
5 × 4 = .............. and 5x × 4y = ............
Fill in the blanks:
12 × 4 = .............. and 12ax2 × 4ax = ............
Fill in the blanks:
1 × 8 = .............. and a2xy2 × 8a3x2y = ............
Fill in the blank:
x × 2x2 × 3x3 = .....................
