Advertisements
Advertisements
प्रश्न
Add : 13ab − 9cd − xy, 5xy, 15cd − 7ab, 6xy − 3cd
Advertisements
उत्तर
(13ab − 9cd − xy) + (5xy) + (15cd - 7ab) + (6xy - 3cd)
= 13ab - 7ab - 9cd + 15cd - 3cd + (-xy + 5xy + 6xy)
= 6ab - 12cd + 15cd + 11xy - xy
= 6ab + 3cd + 10xy
APPEARS IN
संबंधित प्रश्न
Evaluate :
abx − 15abx − 10abx + 32abx
Add : 3b − 7c + 10, 5c − 2b − 15, 15 + 12c + b
Find the total savings of a boy who saves ₹ (4x – 6y), ₹ (6x + 2y), ₹ (4y – x) and ₹ (y – 2x) for four consecutive weeks.
Subtract : −2x2y + 3xy2 from 8x2y
Subtract : x3 − 4x − 1 from 3x3 − x2 + 6
How much more than 2x2 + 4xy + 2y2 is 5x2 + 10xy – y2 ?
If x = 6a + 8b + 9c ; y = 2b – 3a – 6c and z = c – b + 3a ; find :
- x + y + z
- x – y + z
- 2x – y – 3z
- 3y – 2z – 5x
The perimeter of a triangle is 8y2 – 9y + 4 and its two sides are 3y2 – 5y and 4y2 + 12. Find its third side.
The two adjacent sides of a rectangle are 2x2 – 5xy + 3z2 and 4xy – x2 – z2. Find its perimeter.
What must be subtracted from 19x4 + 2x3 + 30x – 37 to get 8x4 + 22x3 – 7x – 60 ?
