Advertisements
Advertisements
प्रश्न
The sum of two expressions is 3a2 + 2ab – b2. If one of them is 2a2 + 3b2, find the other.
योग
Advertisements
उत्तर
(3a2 + 2ab − b2) − (2a2 + 3b2)
= 3a2 + 2ab − b2 − 2a2 − 3b2
= 3a2 − 2a2 + 2ab − b2 − 3b2
= a2 + 2ab − 4b2
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find the sum of a2 − ab + bc, 2ab + bc − 2a2 and − 3bc + 3a2 + ab.
Add the following expression:
a3 − 2b3 + a, b3 − 2a3 + b and − 2b + 2b3 − 5a + 4a3
Evaluate:
(6y − 13) − (4 − 7y)
Subtract:
4x − 6y + 3z from 12x + 7y − 21z.
Subtract:
− 8x − 12y + 17z from x − y − z.
Take `(-3)/2"p"+"q"-"r"` from `1/2"p"-1/3"q"-3/2"r".`
Take 1 − a + a2 from a2 + a + 1.
Fill in the blank:
x × 2x2 × 3x3 = .....................
Fill in the blank:
− 8x × − 3x = − ....................
Fill in the blank:
8 × − 4xy2 × 3x3y2 = .............
