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प्रश्न
Add the following expressions:
p2 – 7pq – q2 and –3p2 – 2pq + 7q2
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उत्तर
We have, p2 – 7pq – q2 + (–3p2 – 2pq + 7q2)
= p2 – 7pq – q2 – 3p2 – 2pq + 7q2
On combining the like terms,
= p2 – 3p2 – 7pq – 2pq – q2 + 7q2
= –2p2 – 9pq + 6q2
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संबंधित प्रश्न
Subtract 4p2q − 3pq + 5pq2 − 8p + 7q − 10 from 18 − 3p − 11q + 5pq − 2pq2 + 5p2q
Add: -7mn + 5, 12mn + 2, 9mn - 8, -2mn - 3
Subtract:
2a2 from − 7a2
Subtract:
\[\frac{2}{3} y^3 - \frac{2}{7} y^2 - 5 \text { from }\frac{1}{3} y^3 + \frac{5}{7} y^2 + y - 2\]
Add:
9p + 16q; 13p + 2q
The expressions 8x + 3y and 7x + 2y cannot be added
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
Find the expression to be added with 5a – 3b – 2c to get a – 4b – 2c?
Add the following expressions:
x3y2 + x2y3 + 3y4 and x4 + 3x2y3 + 4y4
What should be added to x3 + 3x2y + 3xy2 + y3 to get x3 + y3?
