Advertisements
Advertisements
प्रश्न
What must be subtracted from a2 + b2 + lab to get – 4ab + 2b2?
योग
उत्तर
We get, the required result by subtracting
- 4ab + 2b2 from a2 + b2 + 2ab
= a2 + b2 + 2ab - (- 4ab + 2b2)
= a2 + b2 + 2ab + 4ab - 2b2
= a2 + b2 - 2b2 + 2ab + 4ab
= a2 - b2 + 6ab
shaalaa.com
Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Subtract: 4p + p2 from 3p2 - 8p
Subtract: 5a - 3b + 2c from 4a - b - 2c
Subtract: −xy + yz − zx from xy − yz + xz
If m = 9x2 - 4xy + 5y2 and n = - 3x2 + 2xy - y2 find: m + 2n
Simplify: 2x - y + 5 - (x - y)
Simplify: 4(3x - 8) - 3(5x + 3) - 2(6x - 8)
Copy and complete the following multi-plication:
3a + 2b
× - 3xy
Multiply: 2mnpq, 4mnpq and 5 mnpq
Multiply: pq - pm and p2m
Simplify: `"y"/4 +"3y"/5`
