Advertisements
Advertisements
प्रश्न
Subtract the following expressions:
–2a2 – 2b2 from –a2 – b2 + 2ab
Advertisements
उत्तर
We have, (–a2 – b2 + 2ab) – (–2a2 – 2b2)
= –a2 – b2 + 2ab + 2a2 + 2b2
On combining the like terms,
= –a2 + 2a2 – b2 + 2b2 + 2ab
= a2 + b2 + 2ab
APPEARS IN
संबंधित प्रश्न
Solve the following equation.
5m − 4 = 1
Subtract: −2(xy)2 (y3 + 7x2y + 5) from 5y2 (x2y3 – 2x4y + 10x2)
Simplify: (x + y – z) + (3x – 5y + 7z) – (14x + 7y – 6z)
Subtract:
7p(3q + 7p) from 8p(2p – 7q)
Subtract the following expressions:
–7p2qr from –3p2qr
Subtract the following expressions:
x3y2 + 3x2y2 – 7xy3 from x4 + y4 + 3x2y2 – xy3
Subtract the following expressions:
11 – 15y2 from y3 – 15y2 – y – 11
What should be subtracted from 2x3 – 3x2y + 2xy2 + 3y3 to get x3 – 2x2y + 3xy2 + 4y3?
Subtract 9a2 – 15a + 3 from unity.
Subtract the sum of 12ab – 10b2 – 18a2 and 9ab + 12b2 + 14a2 from the sum of ab + 2b2 and 3b2 – a2.
